rhsa-2022_7933
Vulnerability from csaf_redhat
Published
2022-11-15 11:38
Modified
2024-11-15 15:01
Summary
Red Hat Security Advisory: kernel-rt security and bug fix update
Notes
Topic
An update for kernel-rt is now available for Red Hat Enterprise Linux 9.
Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.
Security Fix(es):
* off-path attacker may inject data or terminate victim's TCP session (CVE-2020-36516)
* use-after-free vulnerability in function sco_sock_sendmsg() (CVE-2021-3640)
* smb2_ioctl_query_info NULL pointer dereference (CVE-2022-0168)
* NULL pointer dereference in udf_expand_file_adinicbdue() during writeback (CVE-2022-0617)
* swiotlb information leak with DMA_FROM_DEVICE (CVE-2022-0854)
* uninitialized registers on stack in nft_do_chain can cause kernel pointer leakage to UM (CVE-2022-1016)
* race condition in snd_pcm_hw_free leading to use-after-free (CVE-2022-1048)
* use-after-free and memory errors in ext4 when mounting and operating on a corrupted image (CVE-2022-1184)
* concurrency use-after-free between drm_setmaster_ioctl and drm_mode_getresources (CVE-2022-1280)
* kernel info leak issue in pfkey_register (CVE-2022-1353)
* use-after-free in ath9k_htc_probe_device() could cause an escalation of privileges (CVE-2022-1679)
* NULL pointer dereference in x86_emulate_insn may lead to DoS (CVE-2022-1852)
* fanotify misuses fd_install() which could lead to use-after-free (CVE-2022-1998)
* nf_tables cross-table potential use-after-free may lead to local privilege escalation (CVE-2022-2586)
* openvswitch: integer underflow leads to out-of-bounds write in reserve_sfa_size() (CVE-2022-2639)
* slab-out-of-bounds access in packet_recvmsg() (CVE-2022-20368)
* incomplete clean-up of multi-core shared buffers (aka SBDR) (CVE-2022-21123)
* incomplete clean-up of microarchitectural fill buffers (aka SBDS) (CVE-2022-21125)
* incomplete clean-up in specific special register write operations (aka DRPW) (CVE-2022-21166)
* possible to use the debugger to write zero into a location of choice (CVE-2022-21499)
* AMD: RetBleed Arbitrary Speculative Code Execution with Return Instructions (CVE-2022-23816, CVE-2022-29900)
* AMD: Branch Type Confusion (non-retbleed) (CVE-2022-23825)
* Intel: Post-barrier Return Stack Buffer Predictions (CVE-2022-26373)
* double free in ems_usb_start_xmit in drivers/net/can/usb/ems_usb.c (CVE-2022-28390)
* use after free in SUNRPC subsystem (CVE-2022-28893)
* use-after-free due to improper update of reference count in net/sched/cls_u32.c (CVE-2022-29581)
* Intel: RetBleed Arbitrary Speculative Code Execution with Return Instructions (CVE-2022-29901)
* DoS in nfqnl_mangle in net/netfilter/nfnetlink_queue.c (CVE-2022-36946)
* nf_tables disallow binding to already bound chain (CVE-2022-39190)
* nfs_atomic_open() returns uninitialized data instead of ENOTDIR (CVE-2022-24448)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 9.1 Release Notes linked from the References section.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
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"category": "description",
"text": "A TCP/IP packet spoofing attack flaw was found in the Linux kernel\u2019s TCP/IP protocol, where a Man-in-the-Middle Attack (MITM) performs an IP fragmentation attack and an IPID collision. This flaw allows a remote user to pretend to be the sender of the TCP/IP packet for an existing TCP/IP session.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: off-path attacker may inject data or terminate victim\u0027s TCP session",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2020-36516"
},
{
"category": "external",
"summary": "RHBZ#2059928",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2059928"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2020-36516",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-36516"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-36516",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-36516"
},
{
"category": "external",
"summary": "https://www.spinics.net/lists/netdev/msg795642.html",
"url": "https://www.spinics.net/lists/netdev/msg795642.html"
}
],
"release_date": "2022-02-28T00:00:00+00:00",
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{
"category": "vendor_fix",
"date": "2022-11-15T11:38:03+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.",
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],
"title": "kernel: off-path attacker may inject data or terminate victim\u0027s TCP session"
},
{
"cve": "CVE-2021-3640",
"cwe": {
"id": "CWE-416",
"name": "Use After Free"
},
"discovery_date": "2021-07-08T00:00:00+00:00",
"ids": [
{
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"text": "1980646"
}
],
"notes": [
{
"category": "description",
"text": "A flaw use-after-free in function sco_sock_sendmsg() of the Linux kernel HCI subsystem was found in the way user calls ioct UFFDIO_REGISTER or other way triggers race condition of the call sco_conn_del() together with the call sco_sock_sendmsg() with the expected controllable faulting memory page. A privileged local user could use this flaw to crash the system or escalate their privileges on the system.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: use-after-free vulnerability in function sco_sock_sendmsg()",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue is rated as having a Moderate impact because of the privileges (CAP_NET_ADMIN in initial namespace) required for exploiting the issue.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2021-3640"
},
{
"category": "external",
"summary": "RHBZ#1980646",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1980646"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2021-3640",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-3640"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-3640",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-3640"
},
{
"category": "external",
"summary": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/net/bluetooth/sco.c?h=v5.16\u0026id=99c23da0eed4fd20cae8243f2b51e10e66aa0951",
"url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/net/bluetooth/sco.c?h=v5.16\u0026id=99c23da0eed4fd20cae8243f2b51e10e66aa0951"
},
{
"category": "external",
"summary": "https://lkml.org/lkml/2021/8/28/238",
"url": "https://lkml.org/lkml/2021/8/28/238"
},
{
"category": "external",
"summary": "https://www.openwall.com/lists/oss-security/2021/07/22/1",
"url": "https://www.openwall.com/lists/oss-security/2021/07/22/1"
}
],
"release_date": "2021-07-18T00:00:00+00:00",
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{
"category": "vendor_fix",
"date": "2022-11-15T11:38:03+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.",
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"title": "kernel: use-after-free vulnerability in function sco_sock_sendmsg()"
},
{
"cve": "CVE-2021-47099",
"cwe": {
"id": "CWE-20",
"name": "Improper Input Validation"
},
"discovery_date": "2024-03-04T00:00:00+00:00",
"ids": [
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"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nveth: ensure skb entering GRO are not cloned.\n\nAfter commit d3256efd8e8b (\"veth: allow enabling NAPI even without XDP\"),\nif GRO is enabled on a veth device and TSO is disabled on the peer\ndevice, TCP skbs will go through the NAPI callback. If there is no XDP\nprogram attached, the veth code does not perform any share check, and\nshared/cloned skbs could enter the GRO engine.\n\nIgnat reported a BUG triggered later-on due to the above condition:\n\n[ 53.970529][ C1] kernel BUG at net/core/skbuff.c:3574!\n[ 53.981755][ C1] invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI\n[ 53.982634][ C1] CPU: 1 PID: 19 Comm: ksoftirqd/1 Not tainted 5.16.0-rc5+ #25\n[ 53.982634][ C1] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 0.0.0 02/06/2015\n[ 53.982634][ C1] RIP: 0010:skb_shift+0x13ef/0x23b0\n[ 53.982634][ C1] Code: ea 03 0f b6 04 02 48 89 fa 83 e2 07 38 d0\n7f 08 84 c0 0f 85 41 0c 00 00 41 80 7f 02 00 4d 8d b5 d0 00 00 00 0f\n85 74 f5 ff ff \u003c0f\u003e 0b 4d 8d 77 20 be 04 00 00 00 4c 89 44 24 78 4c 89\nf7 4c 89 8c\n[ 53.982634][ C1] RSP: 0018:ffff8881008f7008 EFLAGS: 00010246\n[ 53.982634][ C1] RAX: 0000000000000000 RBX: ffff8881180b4c80 RCX: 0000000000000000\n[ 53.982634][ C1] RDX: 0000000000000002 RSI: ffff8881180b4d3c RDI: ffff88810bc9cac2\n[ 53.982634][ C1] RBP: ffff8881008f70b8 R08: ffff8881180b4cf4 R09: ffff8881180b4cf0\n[ 53.982634][ C1] R10: ffffed1022999e5c R11: 0000000000000002 R12: 0000000000000590\n[ 53.982634][ C1] R13: ffff88810f940c80 R14: ffff88810f940d50 R15: ffff88810bc9cac0\n[ 53.982634][ C1] FS: 0000000000000000(0000) GS:ffff888235880000(0000) knlGS:0000000000000000\n[ 53.982634][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ 53.982634][ C1] CR2: 00007ff5f9b86680 CR3: 0000000108ce8004 CR4: 0000000000170ee0\n[ 53.982634][ C1] Call Trace:\n[ 53.982634][ C1] \u003cTASK\u003e\n[ 53.982634][ C1] tcp_sacktag_walk+0xaba/0x18e0\n[ 53.982634][ C1] tcp_sacktag_write_queue+0xe7b/0x3460\n[ 53.982634][ C1] tcp_ack+0x2666/0x54b0\n[ 53.982634][ C1] tcp_rcv_established+0x4d9/0x20f0\n[ 53.982634][ C1] tcp_v4_do_rcv+0x551/0x810\n[ 53.982634][ C1] tcp_v4_rcv+0x22ed/0x2ed0\n[ 53.982634][ C1] ip_protocol_deliver_rcu+0x96/0xaf0\n[ 53.982634][ C1] ip_local_deliver_finish+0x1e0/0x2f0\n[ 53.982634][ C1] ip_sublist_rcv_finish+0x211/0x440\n[ 53.982634][ C1] ip_list_rcv_finish.constprop.0+0x424/0x660\n[ 53.982634][ C1] ip_list_rcv+0x2c8/0x410\n[ 53.982634][ C1] __netif_receive_skb_list_core+0x65c/0x910\n[ 53.982634][ C1] netif_receive_skb_list_internal+0x5f9/0xcb0\n[ 53.982634][ C1] napi_complete_done+0x188/0x6e0\n[ 53.982634][ C1] gro_cell_poll+0x10c/0x1d0\n[ 53.982634][ C1] __napi_poll+0xa1/0x530\n[ 53.982634][ C1] net_rx_action+0x567/0x1270\n[ 53.982634][ C1] __do_softirq+0x28a/0x9ba\n[ 53.982634][ C1] run_ksoftirqd+0x32/0x60\n[ 53.982634][ C1] smpboot_thread_fn+0x559/0x8c0\n[ 53.982634][ C1] kthread+0x3b9/0x490\n[ 53.982634][ C1] ret_from_fork+0x22/0x30\n[ 53.982634][ C1] \u003c/TASK\u003e\n\nAddress the issue by skipping the GRO stage for shared or cloned skbs.\nTo reduce the chance of OoO, try to unclone the skbs before giving up.\n\nv1 -\u003e v2:\n - use avoid skb_copy and fallback to netif_receive_skb - Eric",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: veth: ensure skb entering GRO are not cloned.",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2021-47099"
},
{
"category": "external",
"summary": "RHBZ#2267919",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2267919"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2021-47099",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-47099"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-47099",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-47099"
},
{
"category": "external",
"summary": "https://lore.kernel.org/linux-cve-announce/2024030415-CVE-2021-47099-3127@gregkh/T",
"url": "https://lore.kernel.org/linux-cve-announce/2024030415-CVE-2021-47099-3127@gregkh/T"
}
],
"release_date": "2024-03-04T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2022-11-15T11:38:03+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.",
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},
"url": "https://access.redhat.com/errata/RHSA-2022:7933"
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 6.0,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H",
"version": "3.1"
},
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"threats": [
{
"category": "impact",
"details": "Low"
}
],
"title": "kernel: veth: ensure skb entering GRO are not cloned."
},
{
"cve": "CVE-2021-47556",
"cwe": {
"id": "CWE-476",
"name": "NULL Pointer Dereference"
},
"discovery_date": "2024-05-24T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2283393"
}
],
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nethtool: ioctl: fix potential NULL deref in ethtool_set_coalesce()\n\nethtool_set_coalesce() now uses both the .get_coalesce() and\n.set_coalesce() callbacks. But the check for their availability is\nbuggy, so changing the coalesce settings on a device where the driver\nprovides only _one_ of the callbacks results in a NULL pointer\ndereference instead of an -EOPNOTSUPP.\n\nFix the condition so that the availability of both callbacks is\nensured. This also matches the netlink code.\n\nNote that reproducing this requires some effort - it only affects the\nlegacy ioctl path, and needs a specific combination of driver options:\n- have .get_coalesce() and .coalesce_supported but no\n .set_coalesce(), or\n- have .set_coalesce() but no .get_coalesce(). Here eg. ethtool doesn\u0027t\n cause the crash as it first attempts to call ethtool_get_coalesce()\n and bails out on error.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: ethtool: ioctl: fix potential NULL deref in ethtool_set_coalesce()",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2021-47556"
},
{
"category": "external",
"summary": "RHBZ#2283393",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2283393"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2021-47556",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-47556"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-47556",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-47556"
},
{
"category": "external",
"summary": "https://lore.kernel.org/linux-cve-announce/2024052443-CVE-2021-47556-558e@gregkh/T",
"url": "https://lore.kernel.org/linux-cve-announce/2024052443-CVE-2021-47556-558e@gregkh/T"
}
],
"release_date": "2024-05-24T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2022-11-15T11:38:03+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.",
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"confidentialityImpact": "NONE",
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"title": "kernel: ethtool: ioctl: fix potential NULL deref in ethtool_set_coalesce()"
},
{
"cve": "CVE-2021-47580",
"cwe": {
"id": "CWE-125",
"name": "Out-of-bounds Read"
},
"discovery_date": "2024-06-19T00:00:00+00:00",
"ids": [
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"text": "2293249"
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{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: scsi_debug: Fix type in min_t to avoid stack OOB\n\nChange min_t() to use type \"u32\" instead of type \"int\" to avoid stack out\nof bounds. With min_t() type \"int\" the values get sign extended and the\nlarger value gets used causing stack out of bounds.\n\nBUG: KASAN: stack-out-of-bounds in memcpy include/linux/fortify-string.h:191 [inline]\nBUG: KASAN: stack-out-of-bounds in sg_copy_buffer+0x1de/0x240 lib/scatterlist.c:976\nRead of size 127 at addr ffff888072607128 by task syz-executor.7/18707\n\nCPU: 1 PID: 18707 Comm: syz-executor.7 Not tainted 5.15.0-syzk #1\nHardware name: Red Hat KVM, BIOS 1.13.0-2\nCall Trace:\n __dump_stack lib/dump_stack.c:88 [inline]\n dump_stack_lvl+0x89/0xb5 lib/dump_stack.c:106\n print_address_description.constprop.9+0x28/0x160 mm/kasan/report.c:256\n __kasan_report mm/kasan/report.c:442 [inline]\n kasan_report.cold.14+0x7d/0x117 mm/kasan/report.c:459\n check_region_inline mm/kasan/generic.c:183 [inline]\n kasan_check_range+0x1a3/0x210 mm/kasan/generic.c:189\n memcpy+0x23/0x60 mm/kasan/shadow.c:65\n memcpy include/linux/fortify-string.h:191 [inline]\n sg_copy_buffer+0x1de/0x240 lib/scatterlist.c:976\n sg_copy_from_buffer+0x33/0x40 lib/scatterlist.c:1000\n fill_from_dev_buffer.part.34+0x82/0x130 drivers/scsi/scsi_debug.c:1162\n fill_from_dev_buffer drivers/scsi/scsi_debug.c:1888 [inline]\n resp_readcap16+0x365/0x3b0 drivers/scsi/scsi_debug.c:1887\n schedule_resp+0x4d8/0x1a70 drivers/scsi/scsi_debug.c:5478\n scsi_debug_queuecommand+0x8c9/0x1ec0 drivers/scsi/scsi_debug.c:7533\n scsi_dispatch_cmd drivers/scsi/scsi_lib.c:1520 [inline]\n scsi_queue_rq+0x16b0/0x2d40 drivers/scsi/scsi_lib.c:1699\n blk_mq_dispatch_rq_list+0xb9b/0x2700 block/blk-mq.c:1639\n __blk_mq_sched_dispatch_requests+0x28f/0x590 block/blk-mq-sched.c:325\n blk_mq_sched_dispatch_requests+0x105/0x190 block/blk-mq-sched.c:358\n __blk_mq_run_hw_queue+0xe5/0x150 block/blk-mq.c:1761\n __blk_mq_delay_run_hw_queue+0x4f8/0x5c0 block/blk-mq.c:1838\n blk_mq_run_hw_queue+0x18d/0x350 block/blk-mq.c:1891\n blk_mq_sched_insert_request+0x3db/0x4e0 block/blk-mq-sched.c:474\n blk_execute_rq_nowait+0x16b/0x1c0 block/blk-exec.c:62\n sg_common_write.isra.18+0xeb3/0x2000 drivers/scsi/sg.c:836\n sg_new_write.isra.19+0x570/0x8c0 drivers/scsi/sg.c:774\n sg_ioctl_common+0x14d6/0x2710 drivers/scsi/sg.c:939\n sg_ioctl+0xa2/0x180 drivers/scsi/sg.c:1165\n vfs_ioctl fs/ioctl.c:51 [inline]\n __do_sys_ioctl fs/ioctl.c:874 [inline]\n __se_sys_ioctl fs/ioctl.c:860 [inline]\n __x64_sys_ioctl+0x19d/0x220 fs/ioctl.c:860\n do_syscall_x64 arch/x86/entry/common.c:50 [inline]\n do_syscall_64+0x3a/0x80 arch/x86/entry/common.c:80\n entry_SYSCALL_64_after_hwframe+0x44/0xae",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: scsi: scsi_debug: Fix type in min_t to avoid stack OOB",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2021-47580"
},
{
"category": "external",
"summary": "RHBZ#2293249",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2293249"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2021-47580",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-47580"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-47580",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-47580"
},
{
"category": "external",
"summary": "https://lore.kernel.org/linux-cve-announce/2024061916-CVE-2021-47580-eac9@gregkh/T",
"url": "https://lore.kernel.org/linux-cve-announce/2024061916-CVE-2021-47580-eac9@gregkh/T"
}
],
"release_date": "2024-06-19T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2022-11-15T11:38:03+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.",
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"url": "https://access.redhat.com/errata/RHSA-2022:7933"
},
{
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{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
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{
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{
"names": [
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],
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}
],
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"name": "NULL Pointer Dereference"
},
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"ids": [
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"text": "2037386"
}
],
"notes": [
{
"category": "description",
"text": "A denial of service (DOS) issue was found in the Linux kernel\u2019s smb2_ioctl_query_info function in the fs/cifs/smb2ops.c Common Internet File System (CIFS) due to an incorrect return from the memdup_user function. This flaw allows a local, privileged (CAP_SYS_ADMIN) attacker to crash the system.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: smb2_ioctl_query_info NULL pointer dereference",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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},
{
"category": "external",
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{
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"url": "https://www.cve.org/CVERecord?id=CVE-2022-0168"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2022-0168",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-0168"
}
],
"release_date": "2022-03-09T15:00:00+00:00",
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{
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"date": "2022-11-15T11:38:03+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.",
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"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
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{
"cve": "CVE-2022-0617",
"cwe": {
"id": "CWE-476",
"name": "NULL Pointer Dereference"
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"text": "2053632"
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],
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{
"category": "description",
"text": "A NULL pointer dereference was found in the Linux kernel\u2019s UDF file system functionality in the way the user triggers the udf_file_write_iter function for a malicious UDF image. This flaw allows a local user to crash the system.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: NULL pointer dereference in udf_expand_file_adinicbdue() during writeback",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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},
{
"category": "external",
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2053632"
},
{
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"url": "https://www.cve.org/CVERecord?id=CVE-2022-0617"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2022-0617",
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},
{
"category": "external",
"summary": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7fc3b7c2981bbd1047916ade327beccb90994eee",
"url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7fc3b7c2981bbd1047916ade327beccb90994eee"
},
{
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"url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ea8569194b43f0f01f0a84c689388542c7254a1f"
},
{
"category": "external",
"summary": "https://lore.kernel.org/lkml/20220114172329.ygzry5rlz64ua2nr@quack3.lan/T/",
"url": "https://lore.kernel.org/lkml/20220114172329.ygzry5rlz64ua2nr@quack3.lan/T/"
}
],
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{
"category": "vendor_fix",
"date": "2022-11-15T11:38:03+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.",
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{
"category": "description",
"text": "A memory leak flaw was found in the Linux kernel\u2019s DMA subsystem, in the way a user calls DMA_FROM_DEVICE. This flaw allows a local user to read random memory from the kernel space.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: swiotlb information leak with DMA_FROM_DEVICE",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
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{
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},
{
"category": "external",
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{
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"summary": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/kernel/dma/swiotlb.c?h=v5.17-rc8\u0026id=aa6f8dcbab473f3a3c7454b74caa46d36cdc5d13",
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"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.",
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"title": "kernel: swiotlb information leak with DMA_FROM_DEVICE"
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"cve": "CVE-2022-1016",
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{
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"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: uninitialized registers on stack in nft_do_chain can cause kernel pointer leakage to UM",
"title": "Vulnerability summary"
},
{
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"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
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"url": "https://access.redhat.com/security/cve/CVE-2022-1016"
},
{
"category": "external",
"summary": "RHBZ#2066614",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2066614"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2022-1016",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-1016"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2022-1016",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-1016"
},
{
"category": "external",
"summary": "http://blog.dbouman.nl/2022/04/02/How-The-Tables-Have-Turned-CVE-2022-1015-1016/",
"url": "http://blog.dbouman.nl/2022/04/02/How-The-Tables-Have-Turned-CVE-2022-1015-1016/"
},
{
"category": "external",
"summary": "https://seclists.org/oss-sec/2022/q1/205",
"url": "https://seclists.org/oss-sec/2022/q1/205"
}
],
"release_date": "2022-03-28T15:00:00+00:00",
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{
"category": "vendor_fix",
"date": "2022-11-15T11:38:03+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.",
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"title": "kernel: uninitialized registers on stack in nft_do_chain can cause kernel pointer leakage to UM"
},
{
"acknowledgments": [
{
"names": [
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]
}
],
"cve": "CVE-2022-1048",
"cwe": {
"id": "CWE-416",
"name": "Use After Free"
},
"discovery_date": "2022-03-22T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2066706"
}
],
"notes": [
{
"category": "description",
"text": "A use-after-free flaw was found in the Linux kernel\u2019s sound subsystem in the way a user triggers concurrent calls of PCM hw_params. The hw_free ioctls or similar race condition happens inside ALSA PCM for other ioctls. This flaw allows a local user to crash or potentially escalate their privileges on the system.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: race condition in snd_pcm_hw_free leading to use-after-free",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "Keeping the rating as Moderate, because this issue is hard to trigger and requires some permissions for accessing the sound card and only exists if a specific model of the sound card such as Intel 82801 or similar. The known reproducer works only for systems where the /dev/snd/pcmC0D1c device exists.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
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{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2022-1048"
},
{
"category": "external",
"summary": "RHBZ#2066706",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2066706"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2022-1048",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-1048"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2022-1048",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-1048"
},
{
"category": "external",
"summary": "https://lore.kernel.org/lkml/20220322170720.3529-5-tiwai@suse.de/T/#m1d3b791b815556012c6be92f1c4a7086b854f7f3",
"url": "https://lore.kernel.org/lkml/20220322170720.3529-5-tiwai@suse.de/T/#m1d3b791b815556012c6be92f1c4a7086b854f7f3"
}
],
"release_date": "2022-03-23T10:00:00+00:00",
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{
"category": "vendor_fix",
"date": "2022-11-15T11:38:03+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.",
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"title": "kernel: race condition in snd_pcm_hw_free leading to use-after-free"
},
{
"acknowledgments": [
{
"names": [
"Qiuhao Li"
],
"organization": "Harbin Institute of Technology"
},
{
"names": [
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"Yongkang Jia"
],
"organization": "Zhejiang University"
}
],
"cve": "CVE-2022-1158",
"cwe": {
"id": "CWE-416",
"name": "Use After Free"
},
"discovery_date": "2022-03-29T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2069793"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in KVM. When updating a guest\u0027s page table entry, vm_pgoff was improperly used as the offset to get the page\u0027s pfn. As vaddr and vm_pgoff are controllable by user-mode processes, this flaw allows unprivileged local users on the host to write outside the userspace region and potentially corrupt the kernel, resulting in a denial of service condition.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: KVM: cmpxchg_gpte can write to pfns outside the userspace region",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
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{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2022-1158"
},
{
"category": "external",
"summary": "RHBZ#2069793",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2069793"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2022-1158",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-1158"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2022-1158",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-1158"
},
{
"category": "external",
"summary": "https://www.openwall.com/lists/oss-security/2022/04/08/4",
"url": "https://www.openwall.com/lists/oss-security/2022/04/08/4"
}
],
"release_date": "2022-04-07T15:00:00+00:00",
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{
"category": "vendor_fix",
"date": "2022-11-15T11:38:03+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.",
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"title": "kernel: KVM: cmpxchg_gpte can write to pfns outside the userspace region"
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"cve": "CVE-2022-1184",
"cwe": {
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"name": "Use After Free"
},
"discovery_date": "2022-01-22T00:00:00+00:00",
"ids": [
{
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"text": "2070205"
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"notes": [
{
"category": "description",
"text": "A use-after-free flaw was found in fs/ext4/namei.c:dx_insert_block() in the Linux kernel\u2019s filesystem sub-component. This flaw allows a local attacker with a user privilege to cause a denial of service.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: use-after-free and memory errors in ext4 when mounting and operating on a corrupted image",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2022-1184"
},
{
"category": "external",
"summary": "RHBZ#2070205",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2070205"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2022-1184",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-1184"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2022-1184",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-1184"
}
],
"release_date": "2022-04-18T05:39:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2022-11-15T11:38:03+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.",
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},
{
"acknowledgments": [
{
"names": [
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],
"organization": "Zhejiang University"
},
{
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],
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}
],
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"ids": [
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{
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"text": "A NULL pointer dereference issue was found in KVM when releasing a vCPU with dirty ring support enabled. This flaw allows an unprivileged local attacker on the host to issue specific ioctl calls, causing a kernel oops condition that results in a denial of service.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: KVM: NULL pointer dereference in kvm_dirty_ring_push in virt/kvm/dirty_ring.c",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "Red Hat Enterprise Linux 6 and 7 did not provide support for KVM dirty ring and therefore are not affected by this issue.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
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"acknowledgments": [
{
"names": [
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],
"organization": "(Harbin Institute of Technology)"
},
{
"names": [
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],
"organization": "(Zhejiang University)"
}
],
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},
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{
"category": "description",
"text": "A NULL pointer dereference flaw was found in the Linux kernel\u2019s KVM module, which can lead to a denial of service in the x86_emulate_insn in arch/x86/kvm/emulate.c. This flaw occurs while executing an illegal instruction in guest in the Intel CPU.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: NULL pointer dereference in x86_emulate_insn may lead to DoS",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
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}
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"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.",
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"title": "Vulnerability description"
},
{
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},
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"title": "kernel: fanotify misuses fd_install() which could lead to use-after-free"
},
{
"acknowledgments": [
{
"names": [
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"Gaoning Pan"
],
"organization": "Zhejiang University"
}
],
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"name": "NULL Pointer Dereference"
},
"discovery_date": "2022-03-23T00:00:00+00:00",
"ids": [
{
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"text": "2069736"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in the Linux kernel\u2019s KVM when attempting to set a SynIC IRQ. This issue makes it possible for a misbehaving VMM to write to SYNIC/STIMER MSRs, causing a NULL pointer dereference. This flaw allows an unprivileged local attacker on the host to issue specific ioctl calls, causing a kernel oops condition that results in a denial of service.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: KVM: NULL pointer dereference in kvm_irq_delivery_to_apic_fast()",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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"url": "https://access.redhat.com/security/cve/CVE-2022-2153"
},
{
"category": "external",
"summary": "RHBZ#2069736",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2069736"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2022-2153",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-2153"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2022-2153",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-2153"
},
{
"category": "external",
"summary": "https://www.openwall.com/lists/oss-security/2022/06/22/1",
"url": "https://www.openwall.com/lists/oss-security/2022/06/22/1"
}
],
"release_date": "2022-03-25T00:00:00+00:00",
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{
"category": "vendor_fix",
"date": "2022-11-15T11:38:03+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.",
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"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
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"title": "kernel: KVM: NULL pointer dereference in kvm_irq_delivery_to_apic_fast()"
},
{
"cve": "CVE-2022-2503",
"cwe": {
"id": "CWE-288",
"name": "Authentication Bypass Using an Alternate Path or Channel"
},
"discovery_date": "2022-08-12T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2177862"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in the Linux kernel. Dm-verity is used for extending root-of-trust to root filesystems. LoadPin builds on this property to restrict module and firmware loads to just the trusted root filesystem. Device-mapper table reloads currently allow users with root privileges to switch out the target with an equivalent dm-linear target and bypass verification until reboot. This allows root to bypass LoadPin and can be used to load untrusted and unverified kernel modules and firmware, which implies arbitrary kernel execution and persistence for peripherals that do not verify firmware updates.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: LoadPin bypass via dm-verity table reload",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "Starting from the Red Hat Enterprise Linux version 8.7 the bug already fixed (by previous ticket https://bugzilla.redhat.com/show_bug.cgi?id=2012340).\nSimilar for the Red Hat Enterprise Linux version 9.1 it is already fixed (by the ticket https://bugzilla.redhat.com/show_bug.cgi?id=2090507).",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2022-2503"
},
{
"category": "external",
"summary": "RHBZ#2177862",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2177862"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2022-2503",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-2503"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2022-2503",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-2503"
},
{
"category": "external",
"summary": "https://github.com/google/security-research/security/advisories/GHSA-6vq3-w69p-w63m",
"url": "https://github.com/google/security-research/security/advisories/GHSA-6vq3-w69p-w63m"
}
],
"release_date": "2022-08-12T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2022-11-15T11:38:03+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.",
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"baseScore": 6.7,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
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],
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}
],
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{
"category": "description",
"text": "A use-after-free flaw was found in nf_tables cross-table in the net/netfilter/nf_tables_api.c function in the Linux kernel. This flaw allows a local, privileged attacker to cause a use-after-free problem at the time of table deletion, possibly leading to local privilege escalation.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: nf_tables cross-table potential use-after-free may lead to local privilege escalation",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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"category": "external",
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{
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},
{
"category": "external",
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},
{
"category": "external",
"summary": "https://lore.kernel.org/netfilter-devel/20220809170148.164591-1-cascardo@canonical.com/T/#t",
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{
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"url": "https://www.openwall.com/lists/oss-security/2022/08/09/5"
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{
"category": "external",
"summary": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
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}
],
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{
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"date": "2022-11-15T11:38:03+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.",
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"id": "CWE-681",
"name": "Incorrect Conversion between Numeric Types"
},
"discovery_date": "2022-05-12T00:00:00+00:00",
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{
"system_name": "Red Hat Bugzilla ID",
"text": "2084479"
}
],
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{
"category": "description",
"text": "An integer coercion error was found in the openvswitch kernel module. Given a sufficiently large number of actions, while copying and reserving memory for a new action of a new flow, the reserve_sfa_size() function does not return -EMSGSIZE as expected, potentially leading to an out-of-bounds write access. This flaw allows a local user to crash or potentially escalate their privileges on the system.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: openvswitch: integer underflow leads to out-of-bounds write in reserve_sfa_size()",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "The `openvswitch` is not supported out of the Layered Products subscriptions (OCP, OSP, RHV). There are no Layered Products based on Red Hat Enterprise Linux 7 at the present time. Therefore, this CVE is not planned to be addressed on Red Hat Enterprise Linux 7.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2022-2639"
},
{
"category": "external",
"summary": "RHBZ#2084479",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2084479"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2022-2639",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-2639"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2022-2639",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-2639"
}
],
"release_date": "2022-04-15T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2022-11-15T11:38:03+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.",
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"title": "kernel: openvswitch: integer underflow leads to out-of-bounds write in reserve_sfa_size()"
},
{
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{
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]
}
],
"cve": "CVE-2022-3107",
"cwe": {
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"name": "NULL Pointer Dereference"
},
"discovery_date": "2022-12-13T00:00:00+00:00",
"ids": [
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{
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"text": "An issue was discovered in the Linux kernel through 5.16-rc6. netvsc_get_ethtool_stats in drivers/net/hyperv/netvsc_drv.c lacks check of the return value of kvmalloc_array() and will cause the null pointer dereference.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: hv_netvsc: NULL pointer dereference in netvsc_get_ethtool_stats()",
"title": "Vulnerability summary"
},
{
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"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
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{
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},
{
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"text": "kernel: net/packet: slab-out-of-bounds access in packet_recvmsg()",
"title": "Vulnerability summary"
},
{
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"text": "Only local users with `CAP_NET_RAW` capability enabled can trigger this issue. On Red Hat Enterprise Linux 8 `CAP_NET_RAW` capability can be gained by exploiting unprivileged user namespaces.\n\nIn a default or common use of Red Hat Enterprise Linux 7 unprivileged user namespaces are disabled by default, so local unprivileged users cannot abuse namespaces to grant themselves the `CAP_NET_RAW` capability and potentially elevate their privileges on the system.",
"title": "Statement"
},
{
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"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
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"title": "kernel: missing DM_TARGET_IMMUTABLE feature flag in verity_target in drivers/md/dm-verity-target.c"
},
{
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{
"names": [
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}
],
"cve": "CVE-2022-21123",
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"name": "Incomplete Cleanup"
},
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"ids": [
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"text": "2090237"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in hw. Incomplete cleanup of multi-core shared buffers for some Intel\u00ae Processors may allow an authenticated user to enable information disclosure via local access.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "hw: cpu: incomplete clean-up of multi-core shared buffers (aka SBDR)",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "Red Hat has very limited to no visibility and control over binary blobs provided by third-party vendors. Red Hat relies heavily on the vendors to provide timely updates and information about included changes for this content and in most cases merely acts as a release vehicle between the third-party vendor and Red Hat customers with no possibility of influencing or even documenting the changes. Unless explicitly stated, the level of insight, oversight, and control Red Hat has does not meet the criteria required (in terms of Red Hat ownership of development processes, QA, and documentation) for releasing this content as RHSA. For more information please contact the binary content vendor.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2022-21123"
},
{
"category": "external",
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{
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},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2022-21123",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-21123"
},
{
"category": "external",
"summary": "https://www.intel.com/content/www/us/en/developer/articles/technical/software-security-guidance/technical-documentation/processor-mmio-stale-data-vulnerabilities.html",
"url": "https://www.intel.com/content/www/us/en/developer/articles/technical/software-security-guidance/technical-documentation/processor-mmio-stale-data-vulnerabilities.html"
}
],
"release_date": "2022-06-14T00:00:00+00:00",
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{
"category": "vendor_fix",
"date": "2022-11-15T11:38:03+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.",
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},
{
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],
"cve": "CVE-2022-21125",
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"name": "Incomplete Cleanup"
},
"discovery_date": "2022-05-25T00:00:00+00:00",
"ids": [
{
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"text": "2090240"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in hw. Incomplete cleanup of microarchitectural fill buffers on some Intel\u00ae Processors may allow an authenticated user to enable information disclosure via local access.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "hw: cpu: incomplete clean-up of microarchitectural fill buffers (aka SBDS)",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "Red Hat has very limited to no visibility and control over binary blobs provided by third-party vendors. Red Hat relies heavily on the vendors to provide timely updates and information about included changes for this content and in most cases merely acts as a release vehicle between the third-party vendor and Red Hat customers with no possibility of influencing or even documenting the changes. Unless explicitly stated, the level of insight, oversight, and control Red Hat has does not meet the criteria required (in terms of Red Hat ownership of development processes, QA, and documentation) for releasing this content as RHSA. For more information please contact the binary content vendor.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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},
{
"category": "external",
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{
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},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2022-21125",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-21125"
},
{
"category": "external",
"summary": "https://www.intel.com/content/www/us/en/developer/articles/technical/software-security-guidance/technical-documentation/processor-mmio-stale-data-vulnerabilities.html",
"url": "https://www.intel.com/content/www/us/en/developer/articles/technical/software-security-guidance/technical-documentation/processor-mmio-stale-data-vulnerabilities.html"
}
],
"release_date": "2022-06-14T00:00:00+00:00",
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{
"category": "vendor_fix",
"date": "2022-11-15T11:38:03+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.",
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},
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"notes": [
{
"category": "description",
"text": "A flaw was found in hw. Incomplete cleanup in specific special register write operations for some Intel\u00ae Processors may allow an authenticated user to enable information disclosure via local access.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "hw: cpu: incomplete clean-up in specific special register write operations (aka DRPW)",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "Red Hat has very limited to no visibility and control over binary blobs provided by third-party vendors. Red Hat relies heavily on the vendors to provide timely updates and information about included changes for this content and in most cases merely acts as a release vehicle between the third-party vendor and Red Hat customers with no possibility of influencing or even documenting the changes. Unless explicitly stated, the level of insight, oversight, and control Red Hat has does not meet the criteria required (in terms of Red Hat ownership of development processes, QA, and documentation) for releasing this content as RHSA. For more information please contact the binary content vendor.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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{
"category": "external",
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},
{
"category": "external",
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},
{
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],
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{
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"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.",
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{
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"title": "Vulnerability description"
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{
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{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2022-21499"
},
{
"category": "external",
"summary": "RHBZ#2084183",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2084183"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2022-21499",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-21499"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2022-21499",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-21499"
},
{
"category": "external",
"summary": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=eadb2f47a3ced5c64b23b90fd2a3463f63726066",
"url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=eadb2f47a3ced5c64b23b90fd2a3463f63726066"
}
],
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{
"category": "vendor_fix",
"date": "2022-11-15T11:38:03+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.",
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"title": "kernel: possible to use the debugger to write zero into a location of choice"
},
{
"acknowledgments": [
{
"names": [
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],
"organization": "ETH Z\u00fcrich"
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],
"cve": "CVE-2022-23816",
"cwe": {
"id": "CWE-200",
"name": "Exposure of Sensitive Information to an Unauthorized Actor"
},
"discovery_date": "2022-05-25T00:00:00+00:00",
"ids": [
{
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"text": "2090226"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in hw. Mis-trained branch predictions for return instructions may allow arbitrary speculative code execution under certain microarchitecture-dependent conditions.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "hw: cpu: AMD: RetBleed Arbitrary Speculative Code Execution with Return Instructions",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
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{
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"title": "Vulnerability description"
},
{
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"text": "kernel: nfs_atomic_open() returns uninitialized data instead of ENOTDIR",
"title": "Vulnerability summary"
},
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"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
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"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.",
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{
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{
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"title": "Vulnerability description"
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{
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"text": "kernel: use after free in SUNRPC subsystem",
"title": "Vulnerability summary"
},
{
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"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
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"title": "Vulnerability description"
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"text": "kernel: use-after-free due to improper update of reference count in net/sched/cls_u32.c",
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"title": "Vulnerability description"
},
{
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},
{
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{
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"title": "Vulnerability description"
},
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"text": "kernel: ibmvnic: free reset-work-item when flushing",
"title": "Vulnerability summary"
},
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"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
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{
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{
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"text": "A denial of service vulnerability was found in the Linux kernel. When debugfs is set as off in the kernel command line, iwiwifi\u0027s mvm module uses an invalid/unchecked debugfs_dir pointer, resulting in disruption to availability.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: iwlwifi: mvm: check debugfs_dir ptr before use",
"title": "Vulnerability summary"
},
{
"category": "general",
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"title": "kernel: iwlwifi: mvm: check debugfs_dir ptr before use"
},
{
"cve": "CVE-2022-48936",
"discovery_date": "2024-08-22T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2307192"
}
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"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\ngso: do not skip outer ip header in case of ipip and net_failover\n\nWe encounter a tcp drop issue in our cloud environment. Packet GROed in\nhost forwards to a VM virtio_net nic with net_failover enabled. VM acts\nas a IPVS LB with ipip encapsulation. The full path like:\nhost gro -\u003e vm virtio_net rx -\u003e net_failover rx -\u003e ipvs fullnat\n -\u003e ipip encap -\u003e net_failover tx -\u003e virtio_net tx\n\nWhen net_failover transmits a ipip pkt (gso_type = 0x0103, which means\nSKB_GSO_TCPV4, SKB_GSO_DODGY and SKB_GSO_IPXIP4), there is no gso\ndid because it supports TSO and GSO_IPXIP4. But network_header points to\ninner ip header.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: gso: do not skip outer ip header in case of ipip and net_failover",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This CVE has been rejected at upstream - https://lore.kernel.org/linux-cve-announce/2024083059-REJECTED-7912@gregkh/T/",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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{
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{
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{
"category": "vendor_fix",
"date": "2022-11-15T11:38:03+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.",
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{
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"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: netfilter: NULL pointer dereference in nf_tables due to zeroed list head",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
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{
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{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-1095",
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{
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"date": "2022-11-15T11:38:03+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.",
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"cve": "CVE-2023-2008",
"cwe": {
"id": "CWE-129",
"name": "Improper Validation of Array Index"
},
"discovery_date": "2023-04-12T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2186862"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in the Linux kernel\u0027s udmabuf device driver, within a fault handler. This issue occurs due to the lack of proper validation of user-supplied data, which can result in memory access past the end of an array. This may allow an attacker to escalate privileges and execute arbitrary code in the context of the kernel.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: udmabuf: improper validation of array index leading to local privilege escalation",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "Red Hat Enterprise Linux 6, 7, and 8 are not affected by this flaw as they did not include support for the userspace dmabuf misc driver (CONFIG_UDMABUF is not set).",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2023-2008"
},
{
"category": "external",
"summary": "RHBZ#2186862",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2186862"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2023-2008",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-2008"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-2008",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-2008"
},
{
"category": "external",
"summary": "https://www.zerodayinitiative.com/advisories/ZDI-23-441/",
"url": "https://www.zerodayinitiative.com/advisories/ZDI-23-441/"
}
],
"release_date": "2023-04-13T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2022-11-15T11:38:03+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.",
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}
],
"title": "kernel: udmabuf: improper validation of array index leading to local privilege escalation"
}
]
}
Loading...
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.