- Issued:
- 2026-06-24
- Updated:
- 2026-06-24
RHSA-2026:28742 - Critical: kpatch-patch-6_12_0-211_16_1 security update
Synopsis
Critical: kpatch-patch-6_12_0-211_16_1 security update
Type/Severity
Security Advisory Critical
Topic
An update for kpatch-patch-6_12_0-211_16_1 is now available for Red Hat Enterprise Linux 10.
Red Hat Product Security has rated this update as having a security impact of Critical. 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.
Description
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.el10_2.
Security Fix(es):
- kernel: ip6_tunnel: clear skb2->cb[] in ip4ip6_err() (CVE-2026-43037)
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.
Solution
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/11258
Affected Products
| Product | Version | Arch |
|---|---|---|
| Red Hat Enterprise Linux for x86_64 | 10 | x86_64 |
| Red Hat Enterprise Linux for x86_64 - Extended Update Support | 10.2 | x86_64 |
| Red Hat Enterprise Linux for x86_64 - Extended Life Cycle | 10.2 | x86_64 |
| Red Hat Enterprise Linux for x86_64 - 4 years of updates | 10.2 | x86_64 |
| Red Hat Enterprise Linux for Power, little endian | 10 | ppc64le |
| Red Hat Enterprise Linux for Power, little endian - Extended Update Support | 10.2 | ppc64le |
| Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle | 10.2 | ppc64le |
| Red Hat Enterprise Linux for Power, little endian - 4 years of support | 10.2 | ppc64le |
Updated Packages
- kpatch-patch-6_12_0-211_16_1-1-1.el10_2.src.rpm
- kpatch-patch-6_12_0-211_16_1-debuginfo-1-1.el10_2.x86_64.rpm
- kpatch-patch-6_12_0-211_16_1-1-1.el10_2.ppc64le.rpm
- kpatch-patch-6_12_0-211_16_1-1-1.el10_2.x86_64.rpm
- kpatch-patch-6_12_0-211_16_1-debugsource-1-1.el10_2.ppc64le.rpm
- kpatch-patch-6_12_0-211_16_1-debuginfo-1-1.el10_2.ppc64le.rpm
Fixes
CVEs
References
Additional information
- The Red Hat security contact is This content is not included.secalert@redhat.com. More contact details at Security Contacts and Procedures.
- Offline Security Data data is available for integration with other systems. See Offline Security Data API to get started.