RHSA-2025:21917: Security update for 23 packages

RHSA-2025:21917, released November 24, 2025, fixes 3 CVEs across 23 products. None of them is reported as exploited. Patch Radar priority: Urgent.

Urgent

CVEs closed

2 rated Critical

Exploited

None reported

Highest CVSS

9.8

Base score, 0 to 10

Highest EPSS

0.0016

5th percentile

Priority of the 3 CVEs

Patch now 0
                                Urgent 2
                                High 1
                                Routine 0

Fixed package versions

Product	Release	Fixed in
bpftool	RHEL 8	0:4.18.0-553.85.1.el8_10
kernel	RHEL 8	0:4.18.0-553.85.1.el8_10
kernel-abi-stablelists	RHEL 8	0:4.18.0-553.85.1.el8_10
kernel-core	RHEL 8	0:4.18.0-553.85.1.el8_10
kernel-debug	RHEL 8	0:4.18.0-553.85.1.el8_10
kernel-debug-core	RHEL 8	0:4.18.0-553.85.1.el8_10
kernel-debug-devel	RHEL 8	0:4.18.0-553.85.1.el8_10
kernel-debug-modules	RHEL 8	0:4.18.0-553.85.1.el8_10
kernel-debug-modules-extra	RHEL 8	0:4.18.0-553.85.1.el8_10
kernel-devel	RHEL 8	0:4.18.0-553.85.1.el8_10
kernel-doc	RHEL 8	0:4.18.0-553.85.1.el8_10
kernel-modules	RHEL 8	0:4.18.0-553.85.1.el8_10
kernel-modules-extra	RHEL 8	0:4.18.0-553.85.1.el8_10
kernel-tools	RHEL 8	0:4.18.0-553.85.1.el8_10
kernel-tools-libs	RHEL 8	0:4.18.0-553.85.1.el8_10
kernel-tools-libs-devel	RHEL 8	0:4.18.0-553.85.1.el8_10
kernel-zfcpdump	RHEL 8	0:4.18.0-553.85.1.el8_10
kernel-zfcpdump-core	RHEL 8	0:4.18.0-553.85.1.el8_10
kernel-zfcpdump-devel	RHEL 8	0:4.18.0-553.85.1.el8_10
kernel-zfcpdump-modules	RHEL 8	0:4.18.0-553.85.1.el8_10
kernel-zfcpdump-modules-extra	RHEL 8	0:4.18.0-553.85.1.el8_10
perf	RHEL 8	0:4.18.0-553.85.1.el8_10
python3-perf	RHEL 8	0:4.18.0-553.85.1.el8_10

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
Urgent	CVE-2025-39971	i40e: fix idx validation in config queues msg	9.8	0.0016	None reported
Urgent	CVE-2025-39973	i40e: add validation for ring_len param	9.8	0.0016	None reported
High	CVE-2025-39697	NFS: Fix a race when updating an existing write	7.6	0.0016	None reported

Also fixes CVE-2025-39973

ELSA-2025-20719
kernel-uek, kernel-uek-core, kernel-uek-debug and 32 more on ol 10, ol 9
SUSE-SU-2025:4057-1
kernel-64kb, kernel-default, kernel-default-base and 6 more on sles 15.7
SUSE-SU-2025:4141-1
kernel-livepatch-SLE15-SP7-RT_Update_6 on sles 15.7
SUSE-SU-2025:4132-1
kernel-azure, kernel-source-azure, kernel-syms-azure on sles 15.7
SUSE-SU-2025:4301-1
kernel-livepatch-SLE15-SP6-RT_Update_17, kernel-rt, kernel-rt_debug and 2 more on opensuse-leap 15.6, sles 15.6
SUSE-SU-2025:4140-1
dtb-aarch64, kernel-64kb, kernel-debug and 10 more on opensuse-leap 15.6, sles 15.6
SUSE-SU-2025:4128-1
kernel-azure, kernel-source-azure, kernel-syms-azure on opensuse-leap 15.6, sles 15.6
OPENSUSE-SU-2025:20091-1
dtb-aarch64, kernel-64kb, kernel-default and 9 more on opensuse-leap 16.0

Vendor advisory

https://access.redhat.com/errata/RHSA-2025:21917

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