RHSA-2026:55618: Important: kpatch-patch-6_12_0-211_16_1 security update
Important: kpatch-patch-6120-211161 security update
Other sources
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-6.12.0-211.16.1.el102.Security Fix(es): kernel: rxrpc: Fix RxGK token loading to check bounds (CVE-2026-31641) kernel: ipv6: icmp: clear skb2->cb[] in ip6errgenicmpv6unreach() (CVE-2026-43038) kernel: netfilter: flowtable: strictly check for maximum number of actions (CVE-2026-43329) kernel: netfilter: nftinner: Fix IPv6 innerthoff desync (CVE-2026-46244) kernel: net: sched: UAF via missing handler for TCACTCONSUMED in tcfqeventhandle (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.
— Red Hat
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 6_12_0-211_16_1-1-6.el10_2 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 6_12_0-211_16_1-debuginfo-1-6.el10_2 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 6_12_0-211_16_1-debugsource-1-6.el10_2 - Upgrade
Upgrade
kernel/live patch (kpatch-patch-6_12_0-211_16_1)to a version that resolves this vulnerability.Patch kpatch-patch-6_12_0-211_16_1 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Patch kpatch-patch-6_12_0-211_16_1
Event History
Frequently Asked Questions
What is the severity of RHSA-2026:55618?
The severity of RHSA-2026:55618 is classified as high, with a score of 7.
What is the purpose of RHSA-2026:55618?
RHSA-2026:55618 is a security update for the kpatch-patch module that addresses vulnerabilities in kernel 6.12.0-211.16.1.el10_2.
How do I fix RHSA-2026:55618?
To fix RHSA-2026:55618, you need to apply the kpatch-patch-6_12_0-211_16_1 security update on affected systems.
Which software is affected by RHSA-2026:55618?
RHSA-2026:55618 affects various versions of Red Hat Enterprise Linux, including both Power and x86_64 architectures.
What does RHSA-2026:55618 address?
RHSA-2026:55618 addresses security vulnerabilities related to the RxGK token in the kernel.