ALSA-2025:21398: Security update for 25 packages

ALSA-2025:21398, released November 17, 2025, fixes 1 CVE across 25 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

0.0017

6th percentile

Fixed package versions

Product	Release	Fixed in
bpftool	almalinux 8	4.18.0-553.84.1.el8_10
kernel	almalinux 8	4.18.0-553.84.1.el8_10
kernel-abi-stablelists	almalinux 8	4.18.0-553.84.1.el8_10
kernel-core	almalinux 8	4.18.0-553.84.1.el8_10
kernel-cross-headers	almalinux 8	4.18.0-553.84.1.el8_10
kernel-debug	almalinux 8	4.18.0-553.84.1.el8_10
kernel-debug-core	almalinux 8	4.18.0-553.84.1.el8_10
kernel-debug-devel	almalinux 8	4.18.0-553.84.1.el8_10
kernel-debug-modules	almalinux 8	4.18.0-553.84.1.el8_10
kernel-debug-modules-extra	almalinux 8	4.18.0-553.84.1.el8_10
kernel-devel	almalinux 8	4.18.0-553.84.1.el8_10
kernel-doc	almalinux 8	4.18.0-553.84.1.el8_10
kernel-headers	almalinux 8	4.18.0-553.84.1.el8_10
kernel-modules	almalinux 8	4.18.0-553.84.1.el8_10
kernel-modules-extra	almalinux 8	4.18.0-553.84.1.el8_10
kernel-tools	almalinux 8	4.18.0-553.84.1.el8_10
kernel-tools-libs	almalinux 8	4.18.0-553.84.1.el8_10
kernel-tools-libs-devel	almalinux 8	4.18.0-553.84.1.el8_10
kernel-zfcpdump	almalinux 8	4.18.0-553.84.1.el8_10
kernel-zfcpdump-core	almalinux 8	4.18.0-553.84.1.el8_10
kernel-zfcpdump-devel	almalinux 8	4.18.0-553.84.1.el8_10
kernel-zfcpdump-modules	almalinux 8	4.18.0-553.84.1.el8_10
kernel-zfcpdump-modules-extra	almalinux 8	4.18.0-553.84.1.el8_10
perf	almalinux 8	4.18.0-553.84.1.el8_10
python3-perf	almalinux 8	4.18.0-553.84.1.el8_10

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2025-39718	vsock/virtio: Validate length in packet header before skb_put()	7.8	0.0017	None reported

Also fixes CVE-2025-39718

OPENSUSE-SU-2025:20081-1
dtb-aarch64, kernel-64kb, kernel-default and 9 more on opensuse-leap 16.0
SUSE-SU-2025:21139-1
kernel-64kb, kernel-default, kernel-default-base and 6 more on sles 16.0
ELSA-2025-20719
kernel-uek, kernel-uek-core, kernel-uek-debug and 32 more on ol 10, ol 9
SUSE-SU-2025:03634-1
kernel-azure, kernel-source-azure, kernel-syms-azure on opensuse-leap 15.6, sles 15.6
SUSE-SU-2025:03633-1
kernel-azure, kernel-source-azure, kernel-syms-azure on sles 15.7
SUSE-SU-2025:03602-1
kernel-coco, kernel-coco_debug, kernel-source-coco and 1 more on sles 15.6
SUSE-SU-2025:3751-1
kernel-livepatch-SLE15-SP6-RT_Update_16, kernel-rt, kernel-rt_debug and 2 more on opensuse-leap 15.6, sles 15.6
SUSE-SU-2025:03600-1
dtb-aarch64, kernel-64kb, kernel-debug and 10 more on opensuse-leap 15.6, sles 15.6

Vendor advisory

https://osv.dev/vulnerability/ALSA-2025:21398

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