RHSA-2026:6954: Moderate: kernel security update
Published Apr 8, 2026
·Updated
Moderate: kernel security update
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 for x86_64 - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux Server - TUS
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Update Support Extension
redhat/kernel<4.18.0-477.135.1.el8_8
4.18.0-477.135.1.el8_8
redhat/bpftool<4.18.0-477.135.1.el8_8
4.18.0-477.135.1.el8_8
redhat/bpftool-debuginfo<4.18.0-477.135.1.el8_8
4.18.0-477.135.1.el8_8
redhat/kernel<4.18.0-477.135.1.el8_8
4.18.0-477.135.1.el8_8
redhat/kernel-abi-stablelists<4.18.0-477.135.1.el8_8
4.18.0-477.135.1.el8_8
redhat/kernel-core<4.18.0-477.135.1.el8_8
4.18.0-477.135.1.el8_8
redhat/kernel-cross-headers<4.18.0-477.135.1.el8_8
4.18.0-477.135.1.el8_8
redhat/kernel-debug<4.18.0-477.135.1.el8_8
4.18.0-477.135.1.el8_8
redhat/kernel-debug-core<4.18.0-477.135.1.el8_8
4.18.0-477.135.1.el8_8
redhat/kernel-debug-debuginfo<4.18.0-477.135.1.el8_8
4.18.0-477.135.1.el8_8
redhat/kernel-debug-devel<4.18.0-477.135.1.el8_8
4.18.0-477.135.1.el8_8
redhat/kernel-debug-modules<4.18.0-477.135.1.el8_8
4.18.0-477.135.1.el8_8
redhat/kernel-debug-modules-extra<4.18.0-477.135.1.el8_8
4.18.0-477.135.1.el8_8
redhat/kernel-debuginfo<4.18.0-477.135.1.el8_8
4.18.0-477.135.1.el8_8
redhat/kernel-devel<4.18.0-477.135.1.el8_8
4.18.0-477.135.1.el8_8
redhat/kernel-doc<4.18.0-477.135.1.el8_8
4.18.0-477.135.1.el8_8
redhat/kernel-headers<4.18.0-477.135.1.el8_8
4.18.0-477.135.1.el8_8
redhat/kernel-modules<4.18.0-477.135.1.el8_8
4.18.0-477.135.1.el8_8
redhat/kernel-modules-extra<4.18.0-477.135.1.el8_8
4.18.0-477.135.1.el8_8
redhat/kernel-tools<4.18.0-477.135.1.el8_8
4.18.0-477.135.1.el8_8
redhat/kernel-tools-debuginfo<4.18.0-477.135.1.el8_8
4.18.0-477.135.1.el8_8
redhat/kernel-tools-libs<4.18.0-477.135.1.el8_8
4.18.0-477.135.1.el8_8
redhat/perf<4.18.0-477.135.1.el8_8
4.18.0-477.135.1.el8_8
redhat/perf-debuginfo<4.18.0-477.135.1.el8_8
4.18.0-477.135.1.el8_8
redhat/python3-perf<4.18.0-477.135.1.el8_8
4.18.0-477.135.1.el8_8
redhat/python3-perf-debuginfo<4.18.0-477.135.1.el8_8
4.18.0-477.135.1.el8_8
redhat/bpftool<4.18.0-477.135.1.el8_8
4.18.0-477.135.1.el8_8
redhat/bpftool-debuginfo<4.18.0-477.135.1.el8_8
4.18.0-477.135.1.el8_8
redhat/kernel<4.18.0-477.135.1.el8_8
4.18.0-477.135.1.el8_8
redhat/kernel-core<4.18.0-477.135.1.el8_8
4.18.0-477.135.1.el8_8
redhat/kernel-cross-headers<4.18.0-477.135.1.el8_8
4.18.0-477.135.1.el8_8
redhat/kernel-debug<4.18.0-477.135.1.el8_8
4.18.0-477.135.1.el8_8
redhat/kernel-debug-core<4.18.0-477.135.1.el8_8
4.18.0-477.135.1.el8_8
redhat/kernel-debug-debuginfo<4.18.0-477.135.1.el8_8
4.18.0-477.135.1.el8_8
redhat/kernel-debug-devel<4.18.0-477.135.1.el8_8
4.18.0-477.135.1.el8_8
redhat/kernel-debug-modules<4.18.0-477.135.1.el8_8
4.18.0-477.135.1.el8_8
redhat/kernel-debug-modules-extra<4.18.0-477.135.1.el8_8
4.18.0-477.135.1.el8_8
redhat/kernel-debuginfo<4.18.0-477.135.1.el8_8
4.18.0-477.135.1.el8_8
redhat/kernel-debuginfo-common-ppc64le<4.18.0-477.135.1.el8_8
4.18.0-477.135.1.el8_8
redhat/kernel-devel<4.18.0-477.135.1.el8_8
4.18.0-477.135.1.el8_8
redhat/kernel-headers<4.18.0-477.135.1.el8_8
4.18.0-477.135.1.el8_8
redhat/kernel-modules<4.18.0-477.135.1.el8_8
4.18.0-477.135.1.el8_8
redhat/kernel-modules-extra<4.18.0-477.135.1.el8_8
4.18.0-477.135.1.el8_8
redhat/kernel-tools<4.18.0-477.135.1.el8_8
4.18.0-477.135.1.el8_8
redhat/kernel-tools-debuginfo<4.18.0-477.135.1.el8_8
4.18.0-477.135.1.el8_8
redhat/kernel-tools-libs<4.18.0-477.135.1.el8_8
4.18.0-477.135.1.el8_8
redhat/perf<4.18.0-477.135.1.el8_8
4.18.0-477.135.1.el8_8
redhat/perf-debuginfo<4.18.0-477.135.1.el8_8
4.18.0-477.135.1.el8_8
redhat/python3-perf<4.18.0-477.135.1.el8_8
4.18.0-477.135.1.el8_8
redhat/python3-perf-debuginfo<4.18.0-477.135.1.el8_8
4.18.0-477.135.1.el8_8
Remediation
Event History
Apr 8, 2026
Advisory Published
via Red Hat·03:18 AM
Data Sourced
via Red Hat·03:18 AM
DescriptionSeverityAffected Software
Apr 17, 2026
Advisory Published
via Red Hat·04:11 AM
Data Sourced
via Red Hat·04:11 AM
Remedy
Frequently Asked Questions
1
What is the severity of RHSA-2026:6954?
The severity of RHSA-2026:6954 is classified as Moderate due to a use-after-free vulnerability in the ATM subsystem.
2
How do I fix RHSA-2026:6954?
To fix RHSA-2026:6954, update the kernel packages to version 4.18.0-477.135.1.el8_8.
3
What products are affected by RHSA-2026:6954?
Affected products include Red Hat Enterprise Linux Server for Power LE, Red Hat Enterprise Linux for x86_64, and others listed in the advisory.
4
What type of vulnerability is addressed in RHSA-2026:6954?
RHSA-2026:6954 addresses a use-after-free vulnerability in the Linux kernel's ATM subsystem.
5
Is there a workaround for RHSA-2026:6954?
No official workaround is provided for RHSA-2026:6954; updating to the patched kernel is recommended.