RHSA-2026:28741: Critical: kpatch-patch-5_14_0-687_10_1 security update
Critical: kpatch-patch-5140-687101 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-5.14.0-687.10.1.el98.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 5_14_0-687_10_1-1-1.el9_8 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 5_14_0-687_10_1-debuginfo-1-1.el9_8 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 5_14_0-687_10_1-debugsource-1-1.el9_8
Event History
Frequently Asked Questions
What is the severity of RHSA-2026:28741?
The severity of RHSA-2026:28741 is critical with a score of 9.
What type of software does RHSA-2026:28741 affect?
RHSA-2026:28741 affects the kpatch-patch module for Red Hat Enterprise Linux across several architectures.
How do I fix RHSA-2026:28741?
To fix RHSA-2026:28741, apply the kpatch-patch-5_14_0-687_10_1 security update provided by Red Hat.
What is the purpose of the kpatch in RHSA-2026:28741?
The kpatch in RHSA-2026:28741 allows for live patching of the kernel to modify the code of a running system.
When was RHSA-2026:28741 published?
RHSA-2026:28741 was published on June 24, 2026.