RHSA-2026:56224

Vulnerability from csaf_redhat - Published: 2026-08-18 15:23 - Updated: 2026-08-19 17:38
Summary
Red Hat Security Advisory: kpatch-patch-5_14_0-427_100_1, kpatch-patch-5_14_0-427_113_1, kpatch-patch-5_14_0-427_126_1, kpatch-patch-5_14_0-427_68_2, and kpatch-patch-5_14_0-427_84_1 security update
Severity
Important
Notes
Topic: An update for multiple packages is now available for Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions. 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: This is a kernel live patch module which can be loaded by the kpatch command line utility to modify the code of a running kernel. This patch module is targeted for kernel-5.14.0-427.68.2.el9_4. Security Fix(es): * kernel: ipv6: icmp: clear skb2->cb[] in ip6_err_gen_icmpv6_unreach() (CVE-2026-43038) * kernel: dlm: validate length in dlm_search_rsb_tree (CVE-2026-43125) * kernel: netfilter: flowtable: strictly check for maximum number of actions (CVE-2026-43329) * kernel: net: sched: UAF via missing handler for TC_ACT_CONSUMED in tcf_qevent_handle (CVE-2026-64530) 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.
CVE-2026-43038

A flaw was found in the Linux kernel's IPv6 ICMP error generation. A remote attacker could send a specially crafted IPv4 ICMP error packet with a Common Internet Protocol Security Option (CIPSO) IP option. This could lead to incorrect handling of packet control block data when generating an IPv6 ICMP error, potentially causing an out-of-bounds memory access. This memory corruption could result in information disclosure or a denial of service.

7.3 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H
CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')
Affected products
Product Identifier Version Remediation
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_100_1-0:1-12.el9_4.ppc64le —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_100_1-0:1-12.el9_4.src —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_100_1-0:1-12.el9_4.x86_64 —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_100_1-debuginfo-0:1-12.el9_4.ppc64le —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_100_1-debuginfo-0:1-12.el9_4.x86_64 —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_100_1-debugsource-0:1-12.el9_4.ppc64le —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_100_1-debugsource-0:1-12.el9_4.x86_64 —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_113_1-0:1-10.el9_4.ppc64le —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_113_1-0:1-10.el9_4.src —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_113_1-0:1-10.el9_4.x86_64 —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_113_1-debuginfo-0:1-10.el9_4.ppc64le —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_113_1-debuginfo-0:1-10.el9_4.x86_64 —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_113_1-debugsource-0:1-10.el9_4.ppc64le —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_113_1-debugsource-0:1-10.el9_4.x86_64 —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_126_1-0:1-7.el9_4.ppc64le —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_126_1-0:1-7.el9_4.src —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_126_1-0:1-7.el9_4.x86_64 —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_126_1-debuginfo-0:1-7.el9_4.ppc64le —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_126_1-debuginfo-0:1-7.el9_4.x86_64 —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_126_1-debugsource-0:1-7.el9_4.ppc64le —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_126_1-debugsource-0:1-7.el9_4.x86_64 —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_68_2-0:1-19.el9_4.ppc64le —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_68_2-0:1-19.el9_4.src —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_68_2-0:1-19.el9_4.x86_64 —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_68_2-debuginfo-0:1-19.el9_4.ppc64le —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_68_2-debuginfo-0:1-19.el9_4.x86_64 —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_68_2-debugsource-0:1-19.el9_4.ppc64le —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_68_2-debugsource-0:1-19.el9_4.x86_64 —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_84_1-0:1-14.el9_4.ppc64le —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_84_1-0:1-14.el9_4.src —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_84_1-0:1-14.el9_4.x86_64 —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_84_1-debuginfo-0:1-14.el9_4.ppc64le —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_84_1-debuginfo-0:1-14.el9_4.x86_64 —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_84_1-debugsource-0:1-14.el9_4.ppc64le —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_84_1-debugsource-0:1-14.el9_4.x86_64 —
Vendor Fix fix
Threats
Impact Important
CVE-2026-43125

A flaw was found in the Linux kernel's Distributed Lock Manager (dlm) module. An attacker could send specially crafted network messages with an oversized length parameter to the dlm_dump_rsb_name() function. This lack of validation can lead to an out-of-bounds write in the dlm_search_rsb_tree() function, potentially causing a buffer overflow. This vulnerability could allow for denial of service or, in some cases, arbitrary code execution.

7.0 (High)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-130 - Improper Handling of Length Parameter Inconsistency
Affected products
Product Identifier Version Remediation
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_100_1-0:1-12.el9_4.ppc64le —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_100_1-0:1-12.el9_4.src —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_100_1-0:1-12.el9_4.x86_64 —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_100_1-debuginfo-0:1-12.el9_4.ppc64le —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_100_1-debuginfo-0:1-12.el9_4.x86_64 —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_100_1-debugsource-0:1-12.el9_4.ppc64le —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_100_1-debugsource-0:1-12.el9_4.x86_64 —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_113_1-0:1-10.el9_4.ppc64le —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_113_1-0:1-10.el9_4.src —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_113_1-0:1-10.el9_4.x86_64 —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_113_1-debuginfo-0:1-10.el9_4.ppc64le —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_113_1-debuginfo-0:1-10.el9_4.x86_64 —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_113_1-debugsource-0:1-10.el9_4.ppc64le —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_113_1-debugsource-0:1-10.el9_4.x86_64 —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_126_1-0:1-7.el9_4.ppc64le —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_126_1-0:1-7.el9_4.src —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_126_1-0:1-7.el9_4.x86_64 —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_126_1-debuginfo-0:1-7.el9_4.ppc64le —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_126_1-debuginfo-0:1-7.el9_4.x86_64 —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_126_1-debugsource-0:1-7.el9_4.ppc64le —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_126_1-debugsource-0:1-7.el9_4.x86_64 —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_68_2-0:1-19.el9_4.ppc64le —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_68_2-0:1-19.el9_4.src —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_68_2-0:1-19.el9_4.x86_64 —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_68_2-debuginfo-0:1-19.el9_4.ppc64le —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_68_2-debuginfo-0:1-19.el9_4.x86_64 —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_68_2-debugsource-0:1-19.el9_4.ppc64le —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_68_2-debugsource-0:1-19.el9_4.x86_64 —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_84_1-0:1-14.el9_4.ppc64le —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_84_1-0:1-14.el9_4.src —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_84_1-0:1-14.el9_4.x86_64 —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_84_1-debuginfo-0:1-14.el9_4.ppc64le —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_84_1-debuginfo-0:1-14.el9_4.x86_64 —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_84_1-debugsource-0:1-14.el9_4.ppc64le —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_84_1-debugsource-0:1-14.el9_4.x86_64 —
Vendor Fix fix
Threats
Impact Important
CVE-2026-43329

A flaw was found in the Netfilter flowtable component of the Linux kernel. This vulnerability occurs because the system does not strictly check the maximum number of hardware offload actions for IPv6, allowing it to process more actions than supported. This could potentially lead to system instability or a denial of service (DoS) condition, where the affected system becomes unresponsive.

7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-770 - Allocation of Resources Without Limits or Throttling
Affected products
Product Identifier Version Remediation
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_100_1-0:1-12.el9_4.ppc64le —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_100_1-0:1-12.el9_4.src —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_100_1-0:1-12.el9_4.x86_64 —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_100_1-debuginfo-0:1-12.el9_4.ppc64le —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_100_1-debuginfo-0:1-12.el9_4.x86_64 —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_100_1-debugsource-0:1-12.el9_4.ppc64le —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_100_1-debugsource-0:1-12.el9_4.x86_64 —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_113_1-0:1-10.el9_4.ppc64le —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_113_1-0:1-10.el9_4.src —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_113_1-0:1-10.el9_4.x86_64 —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_113_1-debuginfo-0:1-10.el9_4.ppc64le —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_113_1-debuginfo-0:1-10.el9_4.x86_64 —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_113_1-debugsource-0:1-10.el9_4.ppc64le —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_113_1-debugsource-0:1-10.el9_4.x86_64 —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_126_1-0:1-7.el9_4.ppc64le —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_126_1-0:1-7.el9_4.src —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_126_1-0:1-7.el9_4.x86_64 —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_126_1-debuginfo-0:1-7.el9_4.ppc64le —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_126_1-debuginfo-0:1-7.el9_4.x86_64 —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_126_1-debugsource-0:1-7.el9_4.ppc64le —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_126_1-debugsource-0:1-7.el9_4.x86_64 —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_68_2-0:1-19.el9_4.ppc64le —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_68_2-0:1-19.el9_4.src —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_68_2-0:1-19.el9_4.x86_64 —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_68_2-debuginfo-0:1-19.el9_4.ppc64le —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_68_2-debuginfo-0:1-19.el9_4.x86_64 —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_68_2-debugsource-0:1-19.el9_4.ppc64le —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_68_2-debugsource-0:1-19.el9_4.x86_64 —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_84_1-0:1-14.el9_4.ppc64le —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_84_1-0:1-14.el9_4.src —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_84_1-0:1-14.el9_4.x86_64 —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_84_1-debuginfo-0:1-14.el9_4.ppc64le —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_84_1-debuginfo-0:1-14.el9_4.x86_64 —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_84_1-debugsource-0:1-14.el9_4.ppc64le —
Vendor Fix fix
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_84_1-debugsource-0:1-14.el9_4.x86_64 —
Vendor Fix fix
Threats
Impact Important
CVE-2026-64530

A flaw was found in the Linux kernel's traffic control (TC) classifier application programming interface (API). The `tcf_qevent_handle` function does not properly handle a consumed socket buffer (`skb`) when it is processed by the defragmentation engine. This can lead to a Use-After-Free (UAF) vulnerability, where the system attempts to use memory that has already been freed. An attacker could potentially exploit this to cause system instability or execute arbitrary code.

7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-431 - Missing Handler
Affected products
Product Identifier Version Remediation
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_100_1-0:1-12.el9_4.ppc64le —
Vendor Fix fix
Workaround
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_100_1-0:1-12.el9_4.src —
Vendor Fix fix
Workaround
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_100_1-0:1-12.el9_4.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_100_1-debuginfo-0:1-12.el9_4.ppc64le —
Vendor Fix fix
Workaround
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_100_1-debuginfo-0:1-12.el9_4.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_100_1-debugsource-0:1-12.el9_4.ppc64le —
Vendor Fix fix
Workaround
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_100_1-debugsource-0:1-12.el9_4.x86_64 —
Vendor Fix fix
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Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_113_1-0:1-10.el9_4.ppc64le —
Vendor Fix fix
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Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_113_1-0:1-10.el9_4.src —
Vendor Fix fix
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Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_113_1-0:1-10.el9_4.x86_64 —
Vendor Fix fix
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Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_113_1-debuginfo-0:1-10.el9_4.ppc64le —
Vendor Fix fix
Workaround
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_113_1-debuginfo-0:1-10.el9_4.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_113_1-debugsource-0:1-10.el9_4.ppc64le —
Vendor Fix fix
Workaround
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_113_1-debugsource-0:1-10.el9_4.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_126_1-0:1-7.el9_4.ppc64le —
Vendor Fix fix
Workaround
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_126_1-0:1-7.el9_4.src —
Vendor Fix fix
Workaround
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_126_1-0:1-7.el9_4.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_126_1-debuginfo-0:1-7.el9_4.ppc64le —
Vendor Fix fix
Workaround
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_126_1-debuginfo-0:1-7.el9_4.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_126_1-debugsource-0:1-7.el9_4.ppc64le —
Vendor Fix fix
Workaround
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_126_1-debugsource-0:1-7.el9_4.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_68_2-0:1-19.el9_4.ppc64le —
Vendor Fix fix
Workaround
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_68_2-0:1-19.el9_4.src —
Vendor Fix fix
Workaround
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_68_2-0:1-19.el9_4.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_68_2-debuginfo-0:1-19.el9_4.ppc64le —
Vendor Fix fix
Workaround
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_68_2-debuginfo-0:1-19.el9_4.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_68_2-debugsource-0:1-19.el9_4.ppc64le —
Vendor Fix fix
Workaround
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_68_2-debugsource-0:1-19.el9_4.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_84_1-0:1-14.el9_4.ppc64le —
Vendor Fix fix
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Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_84_1-0:1-14.el9_4.src —
Vendor Fix fix
Workaround
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_84_1-0:1-14.el9_4.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_84_1-debuginfo-0:1-14.el9_4.ppc64le —
Vendor Fix fix
Workaround
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_84_1-debuginfo-0:1-14.el9_4.x86_64 —
Vendor Fix fix
Workaround
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_84_1-debugsource-0:1-14.el9_4.ppc64le —
Vendor Fix fix
Workaround
Unresolved product id: BaseOS-9.4.0.Z.E4S:kpatch-patch-5_14_0-427_84_1-debugsource-0:1-14.el9_4.x86_64 —
Vendor Fix fix
Workaround
Threats
Impact Important
References
URL Category
https://access.redhat.com/errata/RHSA-2026:56224 self
https://access.redhat.com/security/updates/classi… external
https://bugzilla.redhat.com/show_bug.cgi?id=2464397 external
https://bugzilla.redhat.com/show_bug.cgi?id=2467234 external
https://bugzilla.redhat.com/show_bug.cgi?id=2468124 external
https://bugzilla.redhat.com/show_bug.cgi?id=2504052 external
https://security.access.redhat.com/data/csaf/v2/a… self
https://access.redhat.com/security/cve/CVE-2026-43038 self
https://bugzilla.redhat.com/show_bug.cgi?id=2464397 external
https://www.cve.org/CVERecord?id=CVE-2026-43038 external
https://nvd.nist.gov/vuln/detail/CVE-2026-43038 external
https://lore.kernel.org/linux-cve-announce/202605… external
https://access.redhat.com/security/cve/CVE-2026-43125 self
https://bugzilla.redhat.com/show_bug.cgi?id=2467234 external
https://www.cve.org/CVERecord?id=CVE-2026-43125 external
https://nvd.nist.gov/vuln/detail/CVE-2026-43125 external
https://lore.kernel.org/linux-cve-announce/202605… external
https://access.redhat.com/security/cve/CVE-2026-43329 self
https://bugzilla.redhat.com/show_bug.cgi?id=2468124 external
https://www.cve.org/CVERecord?id=CVE-2026-43329 external
https://nvd.nist.gov/vuln/detail/CVE-2026-43329 external
https://git.kernel.org/pub/scm/linux/security/vul… external
https://access.redhat.com/security/cve/CVE-2026-64530 self
https://bugzilla.redhat.com/show_bug.cgi?id=2504052 external
https://www.cve.org/CVERecord?id=CVE-2026-64530 external
https://nvd.nist.gov/vuln/detail/CVE-2026-64530 external
https://lore.kernel.org/linux-cve-announce/202607… external
To clipboard 

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      "tlp": {
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        "url": "https://www.first.org/tlp/"
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    },
    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "An update for multiple packages is now available for Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions.\n\nRed 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.",
        "title": "Topic"
      },
      {
        "category": "general",
        "text": "This is a kernel live patch module which can be loaded by the kpatch command line utility to modify the code of a running kernel.  This patch module is targeted for kernel-5.14.0-427.68.2.el9_4.\n\nSecurity Fix(es):\n\n* kernel: ipv6: icmp: clear skb2-\u003ecb[] in ip6_err_gen_icmpv6_unreach() (CVE-2026-43038)\n\n* kernel: dlm: validate length in dlm_search_rsb_tree (CVE-2026-43125)\n\n* kernel: netfilter: flowtable: strictly check for maximum number of actions (CVE-2026-43329)\n\n* kernel: net: sched: UAF via missing handler for TC_ACT_CONSUMED in tcf_qevent_handle (CVE-2026-64530)\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.",
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          "text": "kernel: dlm: validate length in dlm_search_rsb_tree",
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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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      "cve": "CVE-2026-43329",
      "cwe": {
        "id": "CWE-770",
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          "text": "A flaw was found in the Netfilter flowtable component of the Linux kernel. This vulnerability occurs because the system does not strictly check the maximum number of hardware offload actions for IPv6, allowing it to process more actions than supported. This could potentially lead to system instability or a denial of service (DoS) condition, where the affected system becomes unresponsive.",
          "title": "Vulnerability description"
        },
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          "text": "kernel: netfilter: flowtable: strictly check for maximum number of actions",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
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          "url": "https://www.cve.org/CVERecord?id=CVE-2026-43329"
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          "category": "external",
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          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-43329"
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          "url": "https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-43329.mbox"
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      "cve": "CVE-2026-64530",
      "cwe": {
        "id": "CWE-431",
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          "text": "2504052"
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          "text": "A flaw was found in the Linux kernel\u0027s traffic control (TC) classifier application programming interface (API). The `tcf_qevent_handle` function does not properly handle a consumed socket buffer (`skb`) when it is processed by the defragmentation engine. This can lead to a Use-After-Free (UAF) vulnerability, where the system attempts to use memory that has already been freed. An attacker could potentially exploit this to cause system instability or execute arbitrary code.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "kernel: net: sched: UAF via missing handler for TC_ACT_CONSUMED in tcf_qevent_handle",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This Important flaw in the Linux kernel\u0027s networking scheduler can lead to a use-after-free vulnerability. Exploitation requires a local attacker to configure specific `tc qdisc` and `tc filter` rules involving RED qdisc with early drop events and connection tracking on fragmented network traffic. This non-default configuration limits the attack surface, but successful exploitation could lead to privilege escalation or a denial of service.",
          "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://www.cve.org/CVERecord?id=CVE-2026-64530"
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          "category": "external",
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          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "kernel: net: sched: UAF via missing handler for TC_ACT_CONSUMED in tcf_qevent_handle"
    }
  ]
}



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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.