rhsa-2023_2148
Vulnerability from csaf_redhat
Published
2023-05-09 10:01
Modified
2024-11-21 19:42
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 Important. 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):
* use-after-free in l2cap_connect and l2cap_le_connect_req in net/bluetooth/l2cap_core.c (CVE-2022-42896)
* net/ulp: use-after-free in listening ULP sockets (CVE-2023-0461)
* hw: cpu: AMD CPUs may transiently execute beyond unconditional direct branch (CVE-2021-26341)
* malicious data for FBIOPUT_VSCREENINFO ioctl may cause OOB write memory (CVE-2021-33655)
* possible race condition in drivers/tty/tty_buffers.c (CVE-2022-1462)
* KVM: NULL pointer dereference in kvm_mmu_invpcid_gva (CVE-2022-1789)
* use-after-free in free_pipe_info() could lead to privilege escalation (CVE-2022-1882)
* KVM: nVMX: missing IBPB when exiting from nested guest can lead to Spectre v2 attacks (CVE-2022-2196)
* netfilter: nf_conntrack_irc message handling issue (CVE-2022-2663)
* race condition in xfrm_probe_algs can lead to OOB read/write (CVE-2022-3028)
* out-of-bounds read in fib_nh_match of the file net/ipv4/fib_semantics.c (CVE-2022-3435)
* race condition in hugetlb_no_page() in mm/hugetlb.c (CVE-2022-3522)
* memory leak in ipv6_renew_options() (CVE-2022-3524)
* data races around icsk->icsk_af_ops in do_ipv6_setsockopt (CVE-2022-3566)
* data races around sk->sk_prot (CVE-2022-3567)
* memory leak in l2cap_recv_acldata of the file net/bluetooth/l2cap_core.c (CVE-2022-3619)
* denial of service in follow_page_pte in mm/gup.c due to poisoned pte entry (CVE-2022-3623)
* use-after-free after failed devlink reload in devlink_param_get (CVE-2022-3625)
* USB-accessible buffer overflow in brcmfmac (CVE-2022-3628)
* use after free flaw in l2cap_conn_del in net/bluetooth/l2cap_core.c (CVE-2022-3640)
* Double-free in split_2MB_gtt_entry when function intel_gvt_dma_map_guest_page failed (CVE-2022-3707)
* mptcp: NULL pointer dereference in subflow traversal at disconnect time (CVE-2022-4128)
* l2tp: missing lock when clearing sk_user_data can lead to NULL pointer dereference (CVE-2022-4129)
* igmp: use-after-free in ip_check_mc_rcu when opening and closing inet sockets (CVE-2022-20141)
* lockdown bypass using IMA (CVE-2022-21505)
* double free in usb_8dev_start_xmit in drivers/net/can/usb/usb_8dev.c (CVE-2022-28388)
* network backend may cause Linux netfront to use freed SKBs (XSA-405) (CVE-2022-33743)
* unmap_mapping_range() race with munmap() on VM_PFNMAP mappings leads to stale TLB entry (CVE-2022-39188)
* TLB flush operations are mishandled in certain KVM_VCPU_PREEMPTED leading to guest malfunctioning (CVE-2022-39189)
* u8 overflow problem in cfg80211_update_notlisted_nontrans() (CVE-2022-41674)
* use-after-free related to leaf anon_vma double reuse (CVE-2022-42703)
* use-after-free in bss_ref_get in net/wireless/scan.c (CVE-2022-42720)
* BSS list corruption in cfg80211_add_nontrans_list in net/wireless/scan.c (CVE-2022-42721)
* Denial of service in beacon protection for P2P-device (CVE-2022-42722)
* memory corruption in usbmon driver (CVE-2022-43750)
* NULL pointer dereference in traffic control subsystem (CVE-2022-47929)
* NULL pointer dereference in rawv6_push_pending_frames (CVE-2023-0394)
* use-after-free due to race condition in qdisc_graft() (CVE-2023-0590)
* use-after-free caused by invalid pointer hostname in fs/cifs/connect.c (CVE-2023-1195)
* denial of service in tipc_conn_close (CVE-2023-1382)
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 9.2 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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{
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"title": "Vulnerability description"
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"text": "kernel: ext4: kernel bug in ext4_write_inline_data_end()",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "Red Hat has protection mechanisms in place against buffer overflows, such as FORTIFY_SOURCE, Position Independent Executables or Stack Smashing Protection.",
"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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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2261976"
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{
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"url": "https://www.cve.org/CVERecord?id=CVE-2021-33631"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-33631",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-33631"
},
{
"category": "external",
"summary": "https://seclists.org/oss-sec/2024/q1/65",
"url": "https://seclists.org/oss-sec/2024/q1/65"
}
],
"release_date": "2024-01-18T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2023-05-09T10:01:50+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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"title": "kernel: ext4: kernel bug in ext4_write_inline_data_end()"
},
{
"cve": "CVE-2021-33655",
"cwe": {
"id": "CWE-787",
"name": "Out-of-bounds Write"
},
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{
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}
],
"notes": [
{
"category": "description",
"text": "An out-of-bounds write flaw was found in the Linux kernel\u2019s framebuffer-based console driver functionality in the way a user triggers ioctl FBIOPUT_VSCREENINFO with malicious data. This flaw allows a local user to crash or potentially escalate their privileges on the system.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: malicious data for FBIOPUT_VSCREENINFO ioctl may cause OOB write memory",
"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-2021-33655"
},
{
"category": "external",
"summary": "RHBZ#2108691",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2108691"
},
{
"category": "external",
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"url": "https://www.cve.org/CVERecord?id=CVE-2021-33655"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-33655",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-33655"
},
{
"category": "external",
"summary": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=086ff84617185393a0bbf25830c4f36412a7d3f4",
"url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=086ff84617185393a0bbf25830c4f36412a7d3f4"
}
],
"release_date": "2022-07-08T09:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2023-05-09T10:01:50+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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"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",
"version": "3.1"
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"title": "kernel: malicious data for FBIOPUT_VSCREENINFO ioctl may cause OOB write memory"
},
{
"cve": "CVE-2021-47560",
"cwe": {
"id": "CWE-476",
"name": "NULL Pointer Dereference"
},
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"ids": [
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}
],
"notes": [
{
"category": "description",
"text": "A vulnerability was found in the Linux kernel\u0027s mlxsw spectrum driver, where processing port up/down events leads to a NULL pointer dereference. This issue occurs when the driver fails to handle events for the CPU port, which exists but lacks a corresponding network device, resulting in system crashes.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: mlxsw: spectrum: Protect driver from buggy firmware",
"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-2021-47560"
},
{
"category": "external",
"summary": "RHBZ#2283389",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2283389"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2021-47560",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-47560"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-47560",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-47560"
},
{
"category": "external",
"summary": "https://lore.kernel.org/linux-cve-announce/2024052451-CVE-2021-47560-4a52@gregkh/T",
"url": "https://lore.kernel.org/linux-cve-announce/2024052451-CVE-2021-47560-4a52@gregkh/T"
}
],
"release_date": "2024-05-24T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2023-05-09T10:01:50+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 4.4,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
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"category": "impact",
"details": "Moderate"
}
],
"title": "kernel: mlxsw: spectrum: Protect driver from buggy firmware"
},
{
"cve": "CVE-2021-47592",
"cwe": {
"id": "CWE-476",
"name": "NULL Pointer Dereference"
},
"discovery_date": "2024-06-19T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2293235"
}
],
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: stmmac: fix tc flower deletion for VLAN priority Rx steering\n\nTo replicate the issue:-\n\n1) Add 1 flower filter for VLAN Priority based frame steering:-\n$ IFDEVNAME=eth0\n$ tc qdisc add dev $IFDEVNAME ingress\n$ tc qdisc add dev $IFDEVNAME root mqprio num_tc 8 \\\n map 0 1 2 3 4 5 6 7 0 0 0 0 0 0 0 0 \\\n queues 1@0 1@1 1@2 1@3 1@4 1@5 1@6 1@7 hw 0\n$ tc filter add dev $IFDEVNAME parent ffff: protocol 802.1Q \\\n flower vlan_prio 0 hw_tc 0\n\n2) Get the \u0027pref\u0027 id\n$ tc filter show dev $IFDEVNAME ingress\n\n3) Delete a specific tc flower record (say pref 49151)\n$ tc filter del dev $IFDEVNAME parent ffff: pref 49151\n\nFrom dmesg, we will observe kernel NULL pointer ooops\n\n[ 197.170464] BUG: kernel NULL pointer dereference, address: 0000000000000000\n[ 197.171367] #PF: supervisor read access in kernel mode\n[ 197.171367] #PF: error_code(0x0000) - not-present page\n[ 197.171367] PGD 0 P4D 0\n[ 197.171367] Oops: 0000 [#1] PREEMPT SMP NOPTI\n\n\u003csnip\u003e\n\n[ 197.171367] RIP: 0010:tc_setup_cls+0x20b/0x4a0 [stmmac]\n\n\u003csnip\u003e\n\n[ 197.171367] Call Trace:\n[ 197.171367] \u003cTASK\u003e\n[ 197.171367] ? __stmmac_disable_all_queues+0xa8/0xe0 [stmmac]\n[ 197.171367] stmmac_setup_tc_block_cb+0x70/0x110 [stmmac]\n[ 197.171367] tc_setup_cb_destroy+0xb3/0x180\n[ 197.171367] fl_hw_destroy_filter+0x94/0xc0 [cls_flower]\n\nThe above issue is due to previous incorrect implementation of\ntc_del_vlan_flow(), shown below, that uses flow_cls_offload_flow_rule()\nto get struct flow_rule *rule which is no longer valid for tc filter\ndelete operation.\n\n struct flow_rule *rule = flow_cls_offload_flow_rule(cls);\n struct flow_dissector *dissector = rule-\u003ematch.dissector;\n\nSo, to ensure tc_del_vlan_flow() deletes the right VLAN cls record for\nearlier configured RX queue (configured by hw_tc) in tc_add_vlan_flow(),\nthis patch introduces stmmac_rfs_entry as driver-side flow_cls_offload\nrecord for \u0027RX frame steering\u0027 tc flower, currently used for VLAN\npriority. The implementation has taken consideration for future extension\nto include other type RX frame steering such as EtherType based.\n\nv2:\n - Clean up overly extensive backtrace and rewrite git message to better\n explain the kernel NULL pointer issue.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: net: stmmac: fix tc flower deletion for VLAN priority Rx steering",
"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-2021-47592"
},
{
"category": "external",
"summary": "RHBZ#2293235",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2293235"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2021-47592",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-47592"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-47592",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-47592"
},
{
"category": "external",
"summary": "https://lore.kernel.org/linux-cve-announce/2024061919-CVE-2021-47592-7ca6@gregkh/T",
"url": "https://lore.kernel.org/linux-cve-announce/2024061919-CVE-2021-47592-7ca6@gregkh/T"
}
],
"release_date": "2024-06-19T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2023-05-09T10:01:50+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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{
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"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: possible race condition in drivers/tty/tty_buffers.c",
"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": "vendor_fix",
"date": "2023-05-09T10:01:50+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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"title": "kernel: possible race condition in drivers/tty/tty_buffers.c"
},
{
"acknowledgments": [
{
"names": [
"Qiuhao Li"
],
"organization": "Harbin Institute of Technology"
},
{
"names": [
"Yongkang Jia",
"Gaoning Pan"
],
"organization": "Zhejiang University"
}
],
"cve": "CVE-2022-1789",
"cwe": {
"id": "CWE-476",
"name": "NULL Pointer Dereference"
},
"discovery_date": "2022-05-18T00:00:00+00:00",
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"text": "2090723"
}
],
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{
"category": "description",
"text": "A flaw was found in KVM. With shadow paging enabled if INVPCID is executed with CR0.PG=0, the invlpg callback is not set, and the result is a NULL pointer dereference. This flaw allows a guest user to cause a kernel oops condition on the host, resulting in a denial of service.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: KVM: NULL pointer dereference in kvm_mmu_invpcid_gva",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "Red Hat Enterprise Linux 6 and 7 did not provide support for INVPCID in shadow paging mode 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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},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2022-1789",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-1789"
},
{
"category": "external",
"summary": "https://github.com/advisories/GHSA-v8pq-23qj-q7x7",
"url": "https://github.com/advisories/GHSA-v8pq-23qj-q7x7"
},
{
"category": "external",
"summary": "https://www.openwall.com/lists/oss-security/2022/05/25/2",
"url": "https://www.openwall.com/lists/oss-security/2022/05/25/2"
}
],
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{
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"date": "2023-05-09T10:01:50+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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},
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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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"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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{
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{
"category": "description",
"text": "A flaw was found in the KVM\u0027s Intel nested virtualization feature (nVMX). Since L1 and L2 shared branch prediction modes (guest-user and guest-kernel), KVM did not protect indirect branches in L1 from steering by a malicious agent in L2. This could allow a malicious nested guest to carry out Spectre v2 attacks against L1 due to a missing IBPB at VM-exit time.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: KVM: nVMX: missing IBPB when exiting from nested guest can lead to Spectre v2 attacks",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "Red Hat currently provides the nested virtualization feature as a Technology Preview. Nested virtualization is therefore unsupported for production use. For more information please refer to https://access.redhat.com/solutions/21101 and https://access.redhat.com/support/offerings/techpreview.",
"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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"date": "2023-05-09T10:01:50+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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"title": "Vulnerability description"
},
{
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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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{
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"date": "2023-05-09T10:01:50+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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},
{
"cve": "CVE-2022-3028",
"cwe": {
"id": "CWE-787",
"name": "Out-of-bounds Write"
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],
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{
"category": "description",
"text": "A race condition was found in the Linux kernel\u0027s IP framework for transforming packets (XFRM subsystem) when multiple calls to xfrm_probe_algs occurred simultaneously. This flaw could allow a local attacker to potentially trigger an out-of-bounds write or leak kernel heap memory by performing an out-of-bounds read and copying it into a socket.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: race condition in xfrm_probe_algs can lead to OOB read/write",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This flaw is rated as having a Moderate impact because it can only be triggered by a privileged local user (with CAP_NET_ADMIN or root).",
"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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"summary": "https://github.com/torvalds/linux/commit/ba953a9d89a00c078b85f4b190bc1dde66fe16b5",
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{
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"date": "2023-05-09T10:01:50+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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"title": "kernel: race condition in xfrm_probe_algs can lead to OOB read/write"
},
{
"cve": "CVE-2022-3435",
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"id": "CWE-125",
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{
"category": "description",
"text": "An out-of-bounds memory read flaw was found in the Linux kernel. The IPv4 Handler component may delete IPv4 routes containing a multipath spec while the fib_info is using a nexthop object. This issue allows a local attacker access to unauthorized data.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: out-of-bounds read in fib_nh_match of the file net/ipv4/fib_semantics.c",
"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",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2022-3435",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-3435"
},
{
"category": "external",
"summary": "https://lore.kernel.org/netdev/20221005181257.8897-1-dsahern@kernel.org/T/#u",
"url": "https://lore.kernel.org/netdev/20221005181257.8897-1-dsahern@kernel.org/T/#u"
}
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"release_date": "2022-10-08T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2023-05-09T10:01:50+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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"title": "Vulnerability description"
},
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"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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"date": "2023-05-09T10:01:50+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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},
{
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"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: memory leak in ipv6_renew_options()",
"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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"date": "2023-05-09T10:01:50+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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"title": "kernel: memory leak in ipv6_renew_options()"
},
{
"cve": "CVE-2022-3566",
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"id": "CWE-366",
"name": "Race Condition within a Thread"
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{
"category": "description",
"text": "A vulnerability was found in the tcp subsystem in the Linux Kernel, due to a data race around icsk-\u003eicsk_af_ops. This issue could allow an attacker to leak internal kernel information.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: data races around icsk-\u003eicsk_af_ops in do_ipv6_setsockopt",
"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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"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2022-3566"
},
{
"category": "external",
"summary": "RHBZ#2143893",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2143893"
},
{
"category": "external",
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"url": "https://www.cve.org/CVERecord?id=CVE-2022-3566"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2022-3566",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-3566"
},
{
"category": "external",
"summary": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=f49cd2f4d6170d27a2c61f1fecb03d8a70c91f57",
"url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=f49cd2f4d6170d27a2c61f1fecb03d8a70c91f57"
}
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"release_date": "2022-10-06T06:30:00+00:00",
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{
"category": "vendor_fix",
"date": "2023-05-09T10:01:50+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L",
"version": "3.1"
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"title": "kernel: data races around icsk-\u003eicsk_af_ops in do_ipv6_setsockopt"
},
{
"cve": "CVE-2022-3567",
"cwe": {
"id": "CWE-421",
"name": "Race Condition During Access to Alternate Channel"
},
"discovery_date": "2022-11-18T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2143943"
}
],
"notes": [
{
"category": "description",
"text": "A data race problem was found in sk-\u003esk_prot in the network subsystem in ipv6 in the Linux kernel. This issue occurs while some functions access critical data, leading to a denial of service.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: data races around sk-\u003esk_prot",
"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-2022-3567"
},
{
"category": "external",
"summary": "RHBZ#2143943",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2143943"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2022-3567",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-3567"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2022-3567",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-3567"
},
{
"category": "external",
"summary": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=364f997b5cfe1db0d63a390fe7c801fa2b3115f6",
"url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=364f997b5cfe1db0d63a390fe7c801fa2b3115f6"
}
],
"release_date": "2022-10-06T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2023-05-09T10:01:50+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
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"name": "Missing Release of Memory after Effective Lifetime"
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"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: memory leak in l2cap_recv_acldata of the file net/bluetooth/l2cap_core.c",
"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": "vendor_fix",
"date": "2023-05-09T10:01:50+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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{
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"text": "A vulnerability was found in follow_page_pte in mm/gup.c in the Linux Kernel. This issue occurs due to a race problem which can poison the page table entry and cause a denial-of-service.",
"title": "Vulnerability description"
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{
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"text": "kernel: denial of service in follow_page_pte in mm/gup.c due to poisoned pte entry",
"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": "vendor_fix",
"date": "2023-05-09T10:01:50+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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},
{
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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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"date": "2023-05-09T10:01:50+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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"title": "Vulnerability description"
},
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"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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{
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"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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"title": "Vulnerability description"
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},
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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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"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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"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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"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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{
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"title": "Vulnerability description"
},
{
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"text": "kernel: mptcp: NULL pointer dereference in subflow traversal at disconnect time",
"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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"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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},
{
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{
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{
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"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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{
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},
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{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2022-4662"
},
{
"category": "external",
"summary": "RHBZ#2155788",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2155788"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2022-4662",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-4662"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2022-4662",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-4662"
},
{
"category": "external",
"summary": "https://lore.kernel.org/all/20220913140355.910732567@linuxfoundation.org/",
"url": "https://lore.kernel.org/all/20220913140355.910732567@linuxfoundation.org/"
},
{
"category": "external",
"summary": "https://lore.kernel.org/all/CAB7eexLLApHJwZfMQ=X-PtRhw0BgO+5KcSMS05FNUYejJXqtSA@mail.gmail.com/",
"url": "https://lore.kernel.org/all/CAB7eexLLApHJwZfMQ=X-PtRhw0BgO+5KcSMS05FNUYejJXqtSA@mail.gmail.com/"
}
],
"release_date": "2022-09-13T09:00:00+00:00",
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{
"category": "vendor_fix",
"date": "2023-05-09T10:01:50+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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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: igmp: use-after-free in ip_check_mc_rcu when opening and closing inet sockets",
"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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},
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"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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"title": "kernel: double free in usb_8dev_start_xmit in drivers/net/can/usb/usb_8dev.c"
},
{
"cve": "CVE-2022-33743",
"cwe": {
"id": "CWE-459",
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},
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{
"category": "description",
"text": "An incomplete cleanup flaw was found in the Linux kernel\u2019s Xen networking XDP (eXpress Data Path) subsystem. This flaw allows a local user to crash the system.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: network backend may cause Linux netfront to use freed SKBs (XSA-405)",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "Keeping this flaw Moderate, because only a denial of service is possible (A:H) as result of memory leak problem. The memory leak can happen because instead of removing skb, keeping it in the networking stack forever. The CVSS score is higher, than usually for Moderate, because kept \"C:H\" and \"I:H\" too in case maybe potentially would be possible privilege escalation too.",
"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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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2107924"
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"url": "https://www.cve.org/CVERecord?id=CVE-2022-33743"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2022-33743",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-33743"
},
{
"category": "external",
"summary": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/net/xen-netfront.c?h=v5.19-rc7\u0026id=f63c2c2032c2e3caad9add3b82cc6e91c376fd26",
"url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/net/xen-netfront.c?h=v5.19-rc7\u0026id=f63c2c2032c2e3caad9add3b82cc6e91c376fd26"
},
{
"category": "external",
"summary": "https://www.openwall.com/lists/oss-security/2022/07/05/5",
"url": "https://www.openwall.com/lists/oss-security/2022/07/05/5"
}
],
"release_date": "2022-07-04T09:00:00+00:00",
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{
"category": "vendor_fix",
"date": "2023-05-09T10:01:50+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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"title": "Vulnerability description"
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"title": "Vulnerability summary"
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"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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"date": "2023-05-09T10:01:50+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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{
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{
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"text": "A flaw was found in the Linux kernel\u2019s IP framework for transforming packets (XFRM subsystem). An error while resolving policies in xfrm_bundle_lookup causes the refcount to drop twice, leading to a possible crash and a denial of service.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: xfrm_expand_policies() in net/xfrm/xfrm_policy.c can cause a refcount to be dropped twice",
"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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"date": "2023-05-09T10:01:50+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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{
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"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: unmap_mapping_range() race with munmap() on VM_PFNMAP mappings leads to stale TLB entry",
"title": "Vulnerability summary"
},
{
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"text": "This issue only occurs in situations with VM_PFNMAP virtual memory areas (VMAs).",
"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",
"summary": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b67fbebd4cf980aecbcc750e1462128bffe8ae15",
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"date": "2023-05-09T10:01:50+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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"title": "kernel: unmap_mapping_range() race with munmap() on VM_PFNMAP mappings leads to stale TLB entry"
},
{
"cve": "CVE-2022-39189",
"cwe": {
"id": "CWE-416",
"name": "Use After Free"
},
"discovery_date": "2022-09-07T00:00:00+00:00",
"ids": [
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{
"category": "description",
"text": "A flaw was found in the x86 KVM subsystem in kvm_steal_time_set_preempted in arch/x86/kvm/x86.c in the Linux kernel. Unprivileged guest users can compromise the guest kernel because TLB flush operations are mishandled in certain KVM_VCPU_PREEMPTED situations.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: TLB flush operations are mishandled in certain KVM_VCPU_PREEMPTED leading to guest malfunctioning",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "With the current usecase, attacker need a root privileges to exploit this flaw, however there may have ways to defeat this either, but in both cases it seems that Attack Complexity is high (AC:H)",
"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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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2124788"
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},
{
"category": "external",
"summary": "https://bugs.chromium.org/p/project-zero/issues/detail?id=2309",
"url": "https://bugs.chromium.org/p/project-zero/issues/detail?id=2309"
},
{
"category": "external",
"summary": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6cd88243c7e03845a450795e134b488fc2afb736",
"url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6cd88243c7e03845a450795e134b488fc2afb736"
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{
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"date": "2023-05-09T10:01:50+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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},
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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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},
{
"category": "external",
"summary": "https://www.openwall.com/lists/oss-security/2022/10/13/2",
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}
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"date": "2023-05-09T10:01:50+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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},
{
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"summary": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2555283eb40df89945557273121e9393ef9b542b",
"url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2555283eb40df89945557273121e9393ef9b542b"
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{
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"date": "2023-05-09T10:01:50+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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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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"summary": "https://nvd.nist.gov/vuln/detail/CVE-2022-42720",
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},
{
"category": "external",
"summary": "https://www.openwall.com/lists/oss-security/2022/10/13/2",
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"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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"url": "https://access.redhat.com/security/cve/CVE-2022-42722"
},
{
"category": "external",
"summary": "RHBZ#2134517",
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},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2022-42722",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-42722"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2022-42722",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-42722"
},
{
"category": "external",
"summary": "https://www.openwall.com/lists/oss-security/2022/10/13/2",
"url": "https://www.openwall.com/lists/oss-security/2022/10/13/2"
}
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"release_date": "2022-10-13T10:00:00+00:00",
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"category": "vendor_fix",
"date": "2023-05-09T10:01:50+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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{
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"text": "kernel: use-after-free in l2cap_connect and l2cap_le_connect_req in net/bluetooth/l2cap_core.c",
"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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{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2022-42896"
},
{
"category": "external",
"summary": "RHBZ#2147364",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2147364"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2022-42896",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-42896"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2022-42896",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-42896"
},
{
"category": "external",
"summary": "https://github.com/google/security-research/security/advisories/GHSA-pf87-6c9q-jvm4",
"url": "https://github.com/google/security-research/security/advisories/GHSA-pf87-6c9q-jvm4"
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"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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"title": "kernel: use-after-free in l2cap_connect and l2cap_le_connect_req in net/bluetooth/l2cap_core.c"
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{
"cve": "CVE-2022-43750",
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"notes": [
{
"category": "description",
"text": "An out-of-bounds memory write flaw in the Linux kernel\u2019s USB Monitor component was found in how a user with access to the /dev/usbmon can trigger it by an incorrect write to the memory of the usbmon. This flaw allows a local user to crash or potentially escalate their privileges on the system.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: memory corruption in usbmon driver",
"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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"date": "2023-05-09T10:01:50+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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"date": "2023-05-09T10:01:50+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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"title": "Vulnerability description"
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{
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"text": "kernel: denial of service in tipc_conn_close",
"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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{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2023-1382"
},
{
"category": "external",
"summary": "RHBZ#2177371",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2177371"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2023-1382",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-1382"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-1382",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-1382"
},
{
"category": "external",
"summary": "https://lore.kernel.org/netdev/bc7bd3183f1c275c820690fc65b708238fe9e38e.1668807842.git.lucien.xin@gmail.com/T/#u",
"url": "https://lore.kernel.org/netdev/bc7bd3183f1c275c820690fc65b708238fe9e38e.1668807842.git.lucien.xin@gmail.com/T/#u"
}
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"release_date": "2022-11-18T06:30:00+00:00",
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"category": "vendor_fix",
"date": "2023-05-09T10:01:50+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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"cve": "CVE-2023-2177",
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"notes": [
{
"category": "description",
"text": "A NULL pointer dereference issue was found in the SCTP network protocol in net/sctp/stream_sched.c in the Linux kernel. If stream_in allocation fails, stream_out is freed, which would be accessed further. This flaw allows a local user to crash the system or potentially cause a denial of service.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "Kernel: NULL pointer dereference problem in sctp_sched_dequeue_common",
"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-2023-2177"
},
{
"category": "external",
"summary": "RHBZ#2187953",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2187953"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2023-2177",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-2177"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-2177",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-2177"
},
{
"category": "external",
"summary": "https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=181d8d2066c0",
"url": "https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=181d8d2066c0"
}
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"release_date": "2022-07-25T12:30:00+00:00",
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{
"category": "vendor_fix",
"date": "2023-05-09T10:01:50+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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"title": "Kernel: NULL pointer dereference problem in sctp_sched_dequeue_common"
},
{
"cve": "CVE-2023-2513",
"cwe": {
"id": "CWE-416",
"name": "Use After Free"
},
"discovery_date": "2023-05-02T00:00:00+00:00",
"ids": [
{
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],
"notes": [
{
"category": "description",
"text": "A use-after-free vulnerability was found in the Linux kernel\u0027s ext4 filesystem in the way it handled the extra inode size for extended attributes. This flaw allows a privileged local user to cause a system crash or other undefined behaviors.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: ext4: use-after-free in ext4_xattr_set_entry()",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This flaw has been rated as having Moderate impact because of the preconditions needed to trigger the issue. The vulnerability can be exploited by a regular user, but the filesystem should be mounted with `debug_want_extra_isize`=128 and the user must have write access to the filesystem. It\u0027s also important to emphasize that `debug_want_extra_isize` is a debug mount option and should never be used in production.",
"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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"text": "kernel: ICMPv6 \u201cPacket Too Big\u201d packets force a DoS of the Linux kernel by forcing 100% CPU",
"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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"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2023:2148"
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "ADJACENT_NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
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"threats": [
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"category": "impact",
"details": "Moderate"
}
],
"title": "kernel: ICMPv6 \u201cPacket Too Big\u201d packets force a DoS of the Linux kernel by forcing 100% CPU"
}
]
}
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.