RHSA-2026:3963: Security update for 23 packages

RHSA-2026:3963, released March 12, 2026, fixes 2 CVEs across 23 products. None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

7.8

Base score, 0 to 10

Highest EPSS

0.0031

23rd percentile

Priority of the 2 CVEs

Patch now 0
                                Urgent 0
                                High 2
                                Routine 0

Fixed package versions

Product	Release	Fixed in
bpftool	RHEL 8	0:4.18.0-553.111.1.el8_10
kernel	RHEL 8	0:4.18.0-553.111.1.el8_10
kernel-abi-stablelists	RHEL 8	0:4.18.0-553.111.1.el8_10
kernel-core	RHEL 8	0:4.18.0-553.111.1.el8_10
kernel-debug	RHEL 8	0:4.18.0-553.111.1.el8_10
kernel-debug-core	RHEL 8	0:4.18.0-553.111.1.el8_10
kernel-debug-devel	RHEL 8	0:4.18.0-553.111.1.el8_10
kernel-debug-modules	RHEL 8	0:4.18.0-553.111.1.el8_10
kernel-debug-modules-extra	RHEL 8	0:4.18.0-553.111.1.el8_10
kernel-devel	RHEL 8	0:4.18.0-553.111.1.el8_10
kernel-doc	RHEL 8	0:4.18.0-553.111.1.el8_10
kernel-modules	RHEL 8	0:4.18.0-553.111.1.el8_10
kernel-modules-extra	RHEL 8	0:4.18.0-553.111.1.el8_10
kernel-tools	RHEL 8	0:4.18.0-553.111.1.el8_10
kernel-tools-libs	RHEL 8	0:4.18.0-553.111.1.el8_10
kernel-tools-libs-devel	RHEL 8	0:4.18.0-553.111.1.el8_10
kernel-zfcpdump	RHEL 8	0:4.18.0-553.111.1.el8_10
kernel-zfcpdump-core	RHEL 8	0:4.18.0-553.111.1.el8_10
kernel-zfcpdump-devel	RHEL 8	0:4.18.0-553.111.1.el8_10
kernel-zfcpdump-modules	RHEL 8	0:4.18.0-553.111.1.el8_10
kernel-zfcpdump-modules-extra	RHEL 8	0:4.18.0-553.111.1.el8_10
perf	RHEL 8	0:4.18.0-553.111.1.el8_10
python3-perf	RHEL 8	0:4.18.0-553.111.1.el8_10

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2025-71085	kernel-tools: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: i...	7.8	0.0031	None reported
High	CVE-2026-23001	bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: i...	7.8	0.0021	None reported

Also fixes CVE-2025-71085

ELSA-2026-50112
kernel-uek, kernel-uek-core, kernel-uek-debug and 32 more on ol 10, ol 9
ELSA-2026-50145
bpftool, kernel-uek, kernel-uek-container and 16 more on ol 8, ol 9
OPENSUSE-SU-2026:20287-1
dtb-aarch64, kernel-64kb, kernel-azure and 10 more on opensuse-leap 16.0
SUSE-SU-2026:20599-1
kernel-64kb, kernel-azure, kernel-default and 7 more on sles 16.0
SUSE-SU-2026:0472-1
kernel-azure, kernel-source-azure, kernel-syms-azure on sles 15.7
SUSE-SU-2026:0587-1
kernel-livepatch-SLE15-SP7-RT_Update_9 on sles 15.7
SUSE-SU-2026:0447-1
kernel-64kb, kernel-default, kernel-default-base and 6 more on sles 15.7
ALAS2023-2026-1494
bpftool, bpftool-debuginfo, kernel and 19 more on amzn 2023

Vendor advisory

https://access.redhat.com/errata/RHSA-2026:3963

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