RHSA-2026:5689: Moderate: kernel security update
Published Mar 25, 2026
·Updated
Moderate: kernel security update
Other sources
The kernel packages contain the Linux kernel, the core of any Linux operating system.Security Fix(es): kernel: ipv6: BUG() in pskbexpandhead() as part of calipsoskbuffsetattr() (CVE-2025-71085) 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
54 affected componentsFixes available
Red Hat Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux Server - TUS
Red Hat Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Update Support Extension
redhat/kernel<4.18.0-477.133.1.el8_8
4.18.0-477.133.1.el8_8
redhat/bpftool<4.18.0-477.133.1.el8_8
4.18.0-477.133.1.el8_8
redhat/bpftool-debuginfo<4.18.0-477.133.1.el8_8
4.18.0-477.133.1.el8_8
redhat/kernel<4.18.0-477.133.1.el8_8
4.18.0-477.133.1.el8_8
redhat/kernel-abi-stablelists<4.18.0-477.133.1.el8_8
4.18.0-477.133.1.el8_8
redhat/kernel-core<4.18.0-477.133.1.el8_8
4.18.0-477.133.1.el8_8
redhat/kernel-cross-headers<4.18.0-477.133.1.el8_8
4.18.0-477.133.1.el8_8
redhat/kernel-debug<4.18.0-477.133.1.el8_8
4.18.0-477.133.1.el8_8
redhat/kernel-debug-core<4.18.0-477.133.1.el8_8
4.18.0-477.133.1.el8_8
redhat/kernel-debug-debuginfo<4.18.0-477.133.1.el8_8
4.18.0-477.133.1.el8_8
redhat/kernel-debug-devel<4.18.0-477.133.1.el8_8
4.18.0-477.133.1.el8_8
redhat/kernel-debug-modules<4.18.0-477.133.1.el8_8
4.18.0-477.133.1.el8_8
redhat/kernel-debug-modules-extra<4.18.0-477.133.1.el8_8
4.18.0-477.133.1.el8_8
redhat/kernel-debuginfo<4.18.0-477.133.1.el8_8
4.18.0-477.133.1.el8_8
redhat/kernel-devel<4.18.0-477.133.1.el8_8
4.18.0-477.133.1.el8_8
redhat/kernel-doc<4.18.0-477.133.1.el8_8
4.18.0-477.133.1.el8_8
redhat/kernel-headers<4.18.0-477.133.1.el8_8
4.18.0-477.133.1.el8_8
redhat/kernel-modules<4.18.0-477.133.1.el8_8
4.18.0-477.133.1.el8_8
redhat/kernel-modules-extra<4.18.0-477.133.1.el8_8
4.18.0-477.133.1.el8_8
redhat/kernel-tools<4.18.0-477.133.1.el8_8
4.18.0-477.133.1.el8_8
redhat/kernel-tools-debuginfo<4.18.0-477.133.1.el8_8
4.18.0-477.133.1.el8_8
redhat/kernel-tools-libs<4.18.0-477.133.1.el8_8
4.18.0-477.133.1.el8_8
redhat/perf<4.18.0-477.133.1.el8_8
4.18.0-477.133.1.el8_8
redhat/perf-debuginfo<4.18.0-477.133.1.el8_8
4.18.0-477.133.1.el8_8
redhat/python3-perf<4.18.0-477.133.1.el8_8
4.18.0-477.133.1.el8_8
redhat/python3-perf-debuginfo<4.18.0-477.133.1.el8_8
4.18.0-477.133.1.el8_8
redhat/bpftool<4.18.0-477.133.1.el8_8
4.18.0-477.133.1.el8_8
redhat/bpftool-debuginfo<4.18.0-477.133.1.el8_8
4.18.0-477.133.1.el8_8
redhat/kernel<4.18.0-477.133.1.el8_8
4.18.0-477.133.1.el8_8
redhat/kernel-core<4.18.0-477.133.1.el8_8
4.18.0-477.133.1.el8_8
redhat/kernel-cross-headers<4.18.0-477.133.1.el8_8
4.18.0-477.133.1.el8_8
redhat/kernel-debug<4.18.0-477.133.1.el8_8
4.18.0-477.133.1.el8_8
redhat/kernel-debug-core<4.18.0-477.133.1.el8_8
4.18.0-477.133.1.el8_8
redhat/kernel-debug-debuginfo<4.18.0-477.133.1.el8_8
4.18.0-477.133.1.el8_8
redhat/kernel-debug-devel<4.18.0-477.133.1.el8_8
4.18.0-477.133.1.el8_8
redhat/kernel-debug-modules<4.18.0-477.133.1.el8_8
4.18.0-477.133.1.el8_8
redhat/kernel-debug-modules-extra<4.18.0-477.133.1.el8_8
4.18.0-477.133.1.el8_8
redhat/kernel-debuginfo<4.18.0-477.133.1.el8_8
4.18.0-477.133.1.el8_8
redhat/kernel-debuginfo-common-ppc64le<4.18.0-477.133.1.el8_8
4.18.0-477.133.1.el8_8
redhat/kernel-devel<4.18.0-477.133.1.el8_8
4.18.0-477.133.1.el8_8
redhat/kernel-headers<4.18.0-477.133.1.el8_8
4.18.0-477.133.1.el8_8
redhat/kernel-modules<4.18.0-477.133.1.el8_8
4.18.0-477.133.1.el8_8
redhat/kernel-modules-extra<4.18.0-477.133.1.el8_8
4.18.0-477.133.1.el8_8
redhat/kernel-tools<4.18.0-477.133.1.el8_8
4.18.0-477.133.1.el8_8
redhat/kernel-tools-debuginfo<4.18.0-477.133.1.el8_8
4.18.0-477.133.1.el8_8
redhat/kernel-tools-libs<4.18.0-477.133.1.el8_8
4.18.0-477.133.1.el8_8
redhat/perf<4.18.0-477.133.1.el8_8
4.18.0-477.133.1.el8_8
redhat/perf-debuginfo<4.18.0-477.133.1.el8_8
4.18.0-477.133.1.el8_8
redhat/python3-perf<4.18.0-477.133.1.el8_8
4.18.0-477.133.1.el8_8
redhat/python3-perf-debuginfo<4.18.0-477.133.1.el8_8
4.18.0-477.133.1.el8_8
Remediation
Event History
Mar 25, 2026
Advisory Published
via Red Hat·12:10 AM
Data Sourced
via Red Hat·12:10 AM
DescriptionSeverityAffected Software
Apr 10, 2026
Advisory Published
via Red Hat·12:30 AM
Data Sourced
via Red Hat·12:30 AM
Remedy
Frequently Asked Questions
1
What is the severity of RHSA-2026:5689?
The severity of RHSA-2026:5689 is classified as moderate.
2
How do I fix RHSA-2026:5689?
To fix RHSA-2026:5689, update the affected kernel packages to version 4.18.0-477.133.1.el8_8.
3
Which systems are affected by RHSA-2026:5689?
RHSA-2026:5689 affects several Red Hat Enterprise Linux 8 systems including x86_64 and Power LE architectures.
4
What vulnerability is addressed in RHSA-2026:5689?
RHSA-2026:5689 addresses a vulnerability related to a BUG() in the ipv6 component of the Linux kernel (CVE-2025-71085).
5
Is RHSA-2026:5689 part of a larger trend in kernel vulnerabilities?
Yes, RHSA-2026:5689 is part of ongoing security updates that address various kernel vulnerabilities to enhance system security.