rhsa-2024_4554
Vulnerability from csaf_redhat
Published
2024-07-15 21:25
Modified
2024-11-15 18:37
Summary
Red Hat Security Advisory: kernel-rt security update
Notes
Topic
An update for kernel-rt is now available for Red Hat Enterprise Linux 9.2 Extended Update Support.
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):
* kernel: tls: race between tx work scheduling and socket close (CVE-2024-26585)
* kernel: vt: fix memory overlapping when deleting chars in the buffer (CVE-2022-48627)
* kernel: can: j1939: prevent deadlock by changing j1939_socks_lock to rwlock (CVE-2023-52638)
* kernel: mm/writeback: fix possible divide-by-zero in wb_dirty_limits(), again (CVE-2024-26720)
* kernel: Bluetooth: Avoid potential use-after-free in hci_error_reset (CVE-2024-26801)
* kernel: mm/vmscan: fix a bug calling wakeup_kswapd() with a wrong zone index (CVE-2024-26783)
* kernel: net/ipv6: avoid possible UAF in ip6_route_mpath_notify() (CVE-2024-26852)
* kernel: TIPC message reassembly use-after-free remote code execution vulnerability (CVE-2024-36886)
* kernel: icmp: prevent possible NULL dereferences from icmp_build_probe() (CVE-2024-35857)
* kernel: netfilter: nf_tables: Fix potential data-race in __nft_flowtable_type_get() (CVE-2024-35898)
* kernel: ipv6: fix race condition between ipv6_get_ifaddr and ipv6_del_addr (CVE-2024-35969)
* kernel: netfilter: nf_tables: honor table dormant flag from netdev release event path (CVE-2024-36005)
* kernel: ethernet: hisilicon: hns: hns_dsaf_misc: fix a possible array overflow in hns_dsaf_ge_srst_by_port() (CVE-2021-47548)
* kernel: tty: n_gsm: fix possible out-of-bounds in gsm0_receive() (CVE-2024-36016)
* kernel: net: hns3: fix use-after-free bug in hclgevf_send_mbx_msg (CVE-2021-47596)
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.
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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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.", "title": "Topic" }, { "category": "general", "text": "The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.\n\nSecurity Fix(es):\n\n* kernel: tls: race between tx work scheduling and socket close (CVE-2024-26585)\n\n* kernel: vt: fix memory overlapping when deleting chars in the buffer (CVE-2022-48627)\n\n* kernel: can: j1939: prevent deadlock by changing j1939_socks_lock to rwlock (CVE-2023-52638)\n\n* kernel: mm/writeback: fix possible divide-by-zero in wb_dirty_limits(), again (CVE-2024-26720)\n\n* kernel: Bluetooth: Avoid potential use-after-free in hci_error_reset (CVE-2024-26801)\n\n* kernel: mm/vmscan: fix a bug calling wakeup_kswapd() with a wrong zone index (CVE-2024-26783)\n\n* kernel: net/ipv6: avoid possible UAF in ip6_route_mpath_notify() (CVE-2024-26852)\n\n* kernel: TIPC message reassembly use-after-free remote code execution vulnerability (CVE-2024-36886)\n\n* kernel: icmp: prevent possible NULL dereferences from icmp_build_probe() (CVE-2024-35857)\n\n* kernel: netfilter: nf_tables: Fix potential data-race in __nft_flowtable_type_get() (CVE-2024-35898)\n\n* kernel: ipv6: fix race condition between ipv6_get_ifaddr and ipv6_del_addr (CVE-2024-35969)\n\n* kernel: netfilter: nf_tables: honor table dormant flag from netdev release event path (CVE-2024-36005)\n\n* kernel: ethernet: hisilicon: hns: hns_dsaf_misc: fix a possible array overflow in hns_dsaf_ge_srst_by_port() (CVE-2021-47548)\n\n* kernel: tty: n_gsm: fix possible out-of-bounds in gsm0_receive() (CVE-2024-36016)\n\n* kernel: net: hns3: fix use-after-free bug in hclgevf_send_mbx_msg (CVE-2021-47596)\n\nFor 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.", "title": "Details" }, { "category": "legal_disclaimer", "text": "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.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://access.redhat.com/security/team/contact/", "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", "name": "Red Hat Product Security", "namespace": "https://www.redhat.com" }, "references": [ { "category": "self", "summary": "https://access.redhat.com/errata/RHSA-2024:4554", "url": "https://access.redhat.com/errata/RHSA-2024:4554" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "2265517", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2265517" }, { "category": "external", "summary": "2267509", 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"2281900", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2281900" }, { "category": "external", "summary": "2281949", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2281949" }, { "category": "external", "summary": "2283401", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2283401" }, { "category": "external", "summary": "2283894", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2283894" }, { "category": "external", "summary": "2293230", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2293230" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2024/rhsa-2024_4554.json" } ], "title": "Red Hat Security Advisory: kernel-rt security update", "tracking": { "current_release_date": "2024-11-15T18:37:47+00:00", "generator": { "date": "2024-11-15T18:37:47+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.2.1" } }, "id": "RHSA-2024:4554", "initial_release_date": "2024-07-15T21:25:51+00:00", 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"default_component_of", "full_product_name": { "name": "kernel-rt-modules-extra-0:5.14.0-284.73.1.rt14.358.el9_2.x86_64 as a component of Red Hat Enterprise Linux Real Time EUS (v.9.2)", "product_id": "RT-9.2.0.Z.EUS:kernel-rt-modules-extra-0:5.14.0-284.73.1.rt14.358.el9_2.x86_64" }, "product_reference": "kernel-rt-modules-extra-0:5.14.0-284.73.1.rt14.358.el9_2.x86_64", "relates_to_product_reference": "RT-9.2.0.Z.EUS" } ] }, "vulnerabilities": [ { "cve": "CVE-2021-47548", "cwe": { "id": "CWE-129", "name": "Improper Validation of Array Index" }, "discovery_date": "2024-05-24T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2283401" } ], "notes": [ { "category": "description", "text": "In the Linux kernel, the following vulnerability has been resolved:\n\nethernet: hisilicon: hns: hns_dsaf_misc: fix a possible array overflow in hns_dsaf_ge_srst_by_port()\n\nThe if statement:\n if (port \u003e= DSAF_GE_NUM)\n return;\n\nlimits the value of port less than DSAF_GE_NUM (i.e., 8).\nHowever, if the value of port is 6 or 7, an array overflow could occur:\n port_rst_off = dsaf_dev-\u003emac_cb[port]-\u003eport_rst_off;\n\nbecause the length of dsaf_dev-\u003emac_cb is DSAF_MAX_PORT_NUM (i.e., 6).\n\nTo fix this possible array overflow, we first check port and if it is\ngreater than or equal to DSAF_MAX_PORT_NUM, the function returns.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: ethernet: hisilicon: hns: hns_dsaf_misc: fix a possible array overflow in hns_dsaf_ge_srst_by_port()", "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": { "fixed": [ "NFV-9.2.0.Z.EUS:kernel-rt-0:5.14.0-284.73.1.rt14.358.el9_2.src", 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"A flaw was found in the Linux kernel\u0027s virtual terminal driver which causes a memory overlapping copy to occur, this overlapping copy can lead to data corruption and could potentially allow an attacker interacting with a virtual terminal to corrupt or expose system memory.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: vt: fix memory overlapping when deleting chars in the buffer", "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": { "fixed": [ "NFV-9.2.0.Z.EUS:kernel-rt-0:5.14.0-284.73.1.rt14.358.el9_2.src", "NFV-9.2.0.Z.EUS:kernel-rt-0:5.14.0-284.73.1.rt14.358.el9_2.x86_64", "NFV-9.2.0.Z.EUS:kernel-rt-core-0:5.14.0-284.73.1.rt14.358.el9_2.x86_64", 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This issue occurs due to a potential deadlock caused by a race condition involving three locks: j1939_socks_lock, active_session_list_lock, and sk_session_queue_lock. This issue was identified in a Syzbot bug report.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: can: j1939: prevent deadlock by changing j1939_socks_lock to rwlock", "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": { "fixed": [ "NFV-9.2.0.Z.EUS:kernel-rt-0:5.14.0-284.73.1.rt14.358.el9_2.src", "NFV-9.2.0.Z.EUS:kernel-rt-0:5.14.0-284.73.1.rt14.358.el9_2.x86_64", "NFV-9.2.0.Z.EUS:kernel-rt-core-0:5.14.0-284.73.1.rt14.358.el9_2.x86_64", "NFV-9.2.0.Z.EUS:kernel-rt-debug-0:5.14.0-284.73.1.rt14.358.el9_2.x86_64", "NFV-9.2.0.Z.EUS:kernel-rt-debug-core-0:5.14.0-284.73.1.rt14.358.el9_2.x86_64", "NFV-9.2.0.Z.EUS:kernel-rt-debug-debuginfo-0:5.14.0-284.73.1.rt14.358.el9_2.x86_64", 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The submitting thread that calls recvmsg/sendmsg may exit as soon as the async crypto handler calls complete(); any code past that point risks touching already freed data. This could lead to a use-after-free issue and a denial of service condition.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: tls: race between async notify and socket close", "title": "Vulnerability summary" }, { "category": "other", "text": "Red Hat Enterprise Linux 6 and 7 are not affected by this CVE as they did not include kernel TLS support (upstream commit 3c4d755).", "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": { "fixed": [ "NFV-9.2.0.Z.EUS:kernel-rt-0:5.14.0-284.73.1.rt14.358.el9_2.src", "NFV-9.2.0.Z.EUS:kernel-rt-0:5.14.0-284.73.1.rt14.358.el9_2.x86_64", "NFV-9.2.0.Z.EUS:kernel-rt-core-0:5.14.0-284.73.1.rt14.358.el9_2.x86_64", 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tls subsystem of the Linux kernel. The submitting thread (recvmsg/sendmsg) may exit as soon as the async crypto handler calls complete(), which could lead to undefined behavior and a denial of service.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: tls: race between tx work scheduling and socket close", "title": "Vulnerability summary" }, { "category": "other", "text": "Red Hat Enterprise Linux 6 and 7 are not affected by this CVE as they did not include kernel TLS support (upstream commit 3c4d755).", "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": { "fixed": [ "NFV-9.2.0.Z.EUS:kernel-rt-0:5.14.0-284.73.1.rt14.358.el9_2.src", "NFV-9.2.0.Z.EUS:kernel-rt-0:5.14.0-284.73.1.rt14.358.el9_2.x86_64", 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to a divide-by-zero error. This issue could lead to a potential kernel crash.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: mm/writeback: fix possible divide-by-zero in wb_dirty_limits(), again", "title": "Vulnerability summary" }, { "category": "other", "text": "This vulnerability is rated as moderate because the conditions necessary to exploit it and cause a potential denial of service (DoS) would require specific conditions to manipulate the wb_dirty_limits() function in the context of global writeback operations.", "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": { "fixed": [ "NFV-9.2.0.Z.EUS:kernel-rt-0:5.14.0-284.73.1.rt14.358.el9_2.src", 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The `wakeup_kswapd()` function was called with an incorrect zone index. This error could disrupt the proper functioning of memory management, potentially leading to system instability or performance issues.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: mm/vmscan: fix a bug calling wakeup_kswapd() with a wrong zone index", "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": { "fixed": [ "NFV-9.2.0.Z.EUS:kernel-rt-0:5.14.0-284.73.1.rt14.358.el9_2.src", "NFV-9.2.0.Z.EUS:kernel-rt-0:5.14.0-284.73.1.rt14.358.el9_2.x86_64", "NFV-9.2.0.Z.EUS:kernel-rt-core-0:5.14.0-284.73.1.rt14.358.el9_2.x86_64", "NFV-9.2.0.Z.EUS:kernel-rt-debug-0:5.14.0-284.73.1.rt14.358.el9_2.x86_64", "NFV-9.2.0.Z.EUS:kernel-rt-debug-core-0:5.14.0-284.73.1.rt14.358.el9_2.x86_64", 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to fix these.\n\nv2: add missing include \u003cnet/addrconf.h\u003e", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: icmp: prevent possible NULL dereferences from icmp_build_probe()", "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": { "fixed": [ "NFV-9.2.0.Z.EUS:kernel-rt-0:5.14.0-284.73.1.rt14.358.el9_2.src", "NFV-9.2.0.Z.EUS:kernel-rt-0:5.14.0-284.73.1.rt14.358.el9_2.x86_64", "NFV-9.2.0.Z.EUS:kernel-rt-core-0:5.14.0-284.73.1.rt14.358.el9_2.x86_64", "NFV-9.2.0.Z.EUS:kernel-rt-debug-0:5.14.0-284.73.1.rt14.358.el9_2.x86_64", "NFV-9.2.0.Z.EUS:kernel-rt-debug-core-0:5.14.0-284.73.1.rt14.358.el9_2.x86_64", 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Therefore, there is pertential\ndata-race of nf_tables_flowtables list entry.\n\nUse list_for_each_entry_rcu() to iterate over nf_tables_flowtables list\nin __nft_flowtable_type_get(), and use rcu_read_lock() in the caller\nnft_flowtable_type_get() to protect the entire type query process.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: netfilter: nf_tables: Fix potential data-race in __nft_flowtable_type_get()", "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": { "fixed": [ "NFV-9.2.0.Z.EUS:kernel-rt-0:5.14.0-284.73.1.rt14.358.el9_2.src", "NFV-9.2.0.Z.EUS:kernel-rt-0:5.14.0-284.73.1.rt14.358.el9_2.x86_64", 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"discovery_date": "2024-05-20T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2281949" } ], "notes": [ { "category": "description", "text": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_tables: honor table dormant flag from netdev release event path\n\nCheck for table dormant flag otherwise netdev release event path tries\nto unregister an already unregistered hook.\n\n[524854.857999] ------------[ cut here ]------------\n[524854.858010] WARNING: CPU: 0 PID: 3386599 at net/netfilter/core.c:501 __nf_unregister_net_hook+0x21a/0x260\n[...]\n[524854.858848] CPU: 0 PID: 3386599 Comm: kworker/u32:2 Not tainted 6.9.0-rc3+ #365\n[524854.858869] Workqueue: netns cleanup_net\n[524854.858886] RIP: 0010:__nf_unregister_net_hook+0x21a/0x260\n[524854.858903] Code: 24 e8 aa 73 83 ff 48 63 43 1c 83 f8 01 0f 85 3d ff ff ff e8 98 d1 f0 ff 48 8b 3c 24 e8 8f 73 83 ff 48 63 43 1c e9 26 ff ff ff \u003c0f\u003e 0b 48 83 c4 18 48 c7 c7 00 68 e9 82 5b 5d 41 5c 41 5d 41 5e 41\n[524854.858914] RSP: 0018:ffff8881e36d79e0 EFLAGS: 00010246\n[524854.858926] RAX: 0000000000000000 RBX: ffff8881339ae790 RCX: ffffffff81ba524a\n[524854.858936] RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffff8881c8a16438\n[524854.858945] RBP: ffff8881c8a16438 R08: 0000000000000001 R09: ffffed103c6daf34\n[524854.858954] R10: ffff8881e36d79a7 R11: 0000000000000000 R12: 0000000000000005\n[524854.858962] R13: ffff8881c8a16000 R14: 0000000000000000 R15: ffff8881351b5a00\n[524854.858971] FS: 0000000000000000(0000) GS:ffff888390800000(0000) knlGS:0000000000000000\n[524854.858982] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[524854.858991] CR2: 00007fc9be0f16f4 CR3: 00000001437cc004 CR4: 00000000001706f0\n[524854.859000] Call Trace:\n[524854.859006] \u003cTASK\u003e\n[524854.859013] ? __warn+0x9f/0x1a0\n[524854.859027] ? __nf_unregister_net_hook+0x21a/0x260\n[524854.859044] ? report_bug+0x1b1/0x1e0\n[524854.859060] ? handle_bug+0x3c/0x70\n[524854.859071] ? exc_invalid_op+0x17/0x40\n[524854.859083] ? asm_exc_invalid_op+0x1a/0x20\n[524854.859100] ? __nf_unregister_net_hook+0x6a/0x260\n[524854.859116] ? __nf_unregister_net_hook+0x21a/0x260\n[524854.859135] nf_tables_netdev_event+0x337/0x390 [nf_tables]\n[524854.859304] ? __pfx_nf_tables_netdev_event+0x10/0x10 [nf_tables]\n[524854.859461] ? packet_notifier+0xb3/0x360\n[524854.859476] ? _raw_spin_unlock_irqrestore+0x11/0x40\n[524854.859489] ? dcbnl_netdevice_event+0x35/0x140\n[524854.859507] ? __pfx_nf_tables_netdev_event+0x10/0x10 [nf_tables]\n[524854.859661] notifier_call_chain+0x7d/0x140\n[524854.859677] unregister_netdevice_many_notify+0x5e1/0xae0", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: netfilter: nf_tables: honor table dormant flag from netdev release event path", "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": { "fixed": [ "NFV-9.2.0.Z.EUS:kernel-rt-0:5.14.0-284.73.1.rt14.358.el9_2.src", "NFV-9.2.0.Z.EUS:kernel-rt-0:5.14.0-284.73.1.rt14.358.el9_2.x86_64", "NFV-9.2.0.Z.EUS:kernel-rt-core-0:5.14.0-284.73.1.rt14.358.el9_2.x86_64", "NFV-9.2.0.Z.EUS:kernel-rt-debug-0:5.14.0-284.73.1.rt14.358.el9_2.x86_64", "NFV-9.2.0.Z.EUS:kernel-rt-debug-core-0:5.14.0-284.73.1.rt14.358.el9_2.x86_64", "NFV-9.2.0.Z.EUS:kernel-rt-debug-debuginfo-0:5.14.0-284.73.1.rt14.358.el9_2.x86_64", "NFV-9.2.0.Z.EUS:kernel-rt-debug-devel-0:5.14.0-284.73.1.rt14.358.el9_2.x86_64", "NFV-9.2.0.Z.EUS:kernel-rt-debug-kvm-0:5.14.0-284.73.1.rt14.358.el9_2.x86_64", "NFV-9.2.0.Z.EUS:kernel-rt-debug-modules-0:5.14.0-284.73.1.rt14.358.el9_2.x86_64", "NFV-9.2.0.Z.EUS:kernel-rt-debug-modules-core-0:5.14.0-284.73.1.rt14.358.el9_2.x86_64", 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It occurs when switching between basic and advanced option modes in GSM multiplexing, leading to potential out-of-bounds memory writes. This happens because certain state variables, like `gsm-\u003elen` and `gsm-\u003estate`, are not properly reset during mode changes. The issue could result in memory corruption.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: tty: n_gsm: fix possible out-of-bounds in gsm0_receive()", "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": { "fixed": [ "NFV-9.2.0.Z.EUS:kernel-rt-0:5.14.0-284.73.1.rt14.358.el9_2.src", "NFV-9.2.0.Z.EUS:kernel-rt-0:5.14.0-284.73.1.rt14.358.el9_2.x86_64", "NFV-9.2.0.Z.EUS:kernel-rt-core-0:5.14.0-284.73.1.rt14.358.el9_2.x86_64", "NFV-9.2.0.Z.EUS:kernel-rt-debug-0:5.14.0-284.73.1.rt14.358.el9_2.x86_64", "NFV-9.2.0.Z.EUS:kernel-rt-debug-core-0:5.14.0-284.73.1.rt14.358.el9_2.x86_64", "NFV-9.2.0.Z.EUS:kernel-rt-debug-debuginfo-0:5.14.0-284.73.1.rt14.358.el9_2.x86_64", 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The issue results due to a lack of checks in the error handling cleanup and can trigger a UAF on \"struct sk_buff\", which may lead to remote code execution.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: TIPC message reassembly use-after-free remote code execution vulnerability", "title": "Vulnerability summary" }, { "category": "other", "text": "While the TIPC module is not loaded by default, this flaw might be used as one in a series of attacks. For that reason, and because of the possibility of remote code execution on systems where this module has been loaded, Red Hat assesses the impact of this flaw as Important.", "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": { "fixed": [ "NFV-9.2.0.Z.EUS:kernel-rt-0:5.14.0-284.73.1.rt14.358.el9_2.src", "NFV-9.2.0.Z.EUS:kernel-rt-0:5.14.0-284.73.1.rt14.358.el9_2.x86_64", "NFV-9.2.0.Z.EUS:kernel-rt-core-0:5.14.0-284.73.1.rt14.358.el9_2.x86_64", "NFV-9.2.0.Z.EUS:kernel-rt-debug-0:5.14.0-284.73.1.rt14.358.el9_2.x86_64", "NFV-9.2.0.Z.EUS:kernel-rt-debug-core-0:5.14.0-284.73.1.rt14.358.el9_2.x86_64", "NFV-9.2.0.Z.EUS:kernel-rt-debug-debuginfo-0:5.14.0-284.73.1.rt14.358.el9_2.x86_64", 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"https://nvd.nist.gov/vuln/detail/CVE-2024-36886" }, { "category": "external", "summary": "https://lore.kernel.org/all/752f1ccf762223d109845365d07f55414058e5a3.1714484273.git.pabeni@redhat.com/", "url": "https://lore.kernel.org/all/752f1ccf762223d109845365d07f55414058e5a3.1714484273.git.pabeni@redhat.com/" }, { "category": "external", "summary": "https://lore.kernel.org/linux-cve-announce/2024053033-CVE-2024-36886-dd83@gregkh/T/#u", "url": "https://lore.kernel.org/linux-cve-announce/2024053033-CVE-2024-36886-dd83@gregkh/T/#u" } ], "release_date": "2024-06-06T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2024-07-15T21:25:51+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.", "product_ids": [ "NFV-9.2.0.Z.EUS:kernel-rt-0:5.14.0-284.73.1.rt14.358.el9_2.src", 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loaded in default configurations. When required, administrative privileges are required to explicitly load this module.\nTo determine if the TIPC module is loaded, use the following command:\n# grep tipc /proc/modules\nLook for output similar to the following:\ntipc 479232 0 - Live 0xffffffffc1ba5000\nip6_udp_tunnel 16384 1 tipc, Live 0xffffffffc1b9b000\nudp_tunnel 32768 1 tipc, Live 0xffffffffc1b8b000\n\nLoading the module can be prevented with the following instructions:\n# echo \"install tipc /bin/true\" \u003e\u003e /etc/modprobe.d/disable-tipc.conf\nThe system will need to be restarted if the module is loaded. 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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.