RHSA-2026:28742: Critical: kpatch-patch-6_12_0-211_16_1 security update
Critical: 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: ip6tunnel: clear skb2->cb[] in ip4ip6err() (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.
— 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_1-1-1.el10_2 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 6_12_0-211_16_1-debuginfo-1-1.el10_2 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 6_12_0-211_16_1-debugsource-1-1.el10_2 - Upgrade
Upgrade
kpatch-patch-6_12_0-211_16_1to 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-2026:28742?
The severity of RHSA-2026:28742 is critical with a score of 9.
How do I fix RHSA-2026:28742?
To fix RHSA-2026:28742, you should apply the kpatch-patch-6_12_0-211_16_1 security update using the appropriate Red Hat commands.
What software is affected by RHSA-2026:28742?
RHSA-2026:28742 affects various versions of Red Hat Enterprise Linux, including x86_64 and Power architectures.
What is the purpose of the kpatch-patch-6_12_0-211_16_1 update in RHSA-2026:28742?
The kpatch-patch-6_12_0-211_16_1 update is designed to modify the code of a running kernel to address identified vulnerabilities.
When was RHSA-2026:28742 published?
RHSA-2026:28742 was published on June 24, 2026.