RHSA-2025%3A21563

RHSA-2025%3A21563 PUBLISHED CVSS 5.5 MEDIUM

Record from OSV · Published November 17, 2025

Red Hat Security Advisory: kernel security update

Risk scores

CVSS 3.1

5.5

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

Vendor	Product	Versions
Red Hat:rhel_eus:9.6::appstream	kernel-debuginfo-common-s390x	0, 0
Red Hat:rhel_eus:9.6::crb	kernel-64k-devel-matched	0, 0
Red Hat:rhel_eus:9.6::crb	kernel-tools-debuginfo	0, 0
Red Hat:rhel_eus:9.6::crb	kernel-rt-devel	0, 0
Red Hat:rhel_eus:9.6::crb	kernel-tools-libs	0, 0
Red Hat:rhel_eus:9.6::nfv	kernel-doc	0, 0
Red Hat:rhel_eus:9.6::crb	kernel-modules-extra	0, 0
Red Hat:rhel_eus:9.6::crb	kernel-rt-debuginfo	0, 0
Red Hat:rhel_eus:9.6::realtime	kernel-rt-64k-debug-debuginfo	0, 0
Red Hat:rhel_eus:9.6::baseos	rv	0, 0
Red Hat:rhel_eus:9.6::realtime	kernel-rt-kvm	0, 0
Red Hat:rhel_eus:9.6::realtime	kernel-rt-64k-debug-modules-extra	0, 0
Red Hat:rhel_eus:9.6::baseos	kernel-zfcpdump-devel-matched	0, 0
Red Hat:rhel_eus:9.6::realtime	kernel-zfcpdump-core	0, 0
Red Hat:rhel_eus:9.6::nfv	kernel-rt-debug-modules-core	0, 0
Red Hat:rhel_eus:9.6::crb	kernel-debuginfo-common-ppc64le	0, 0
Red Hat:rhel_eus:9.6::baseos	kernel-modules-core	0, 0
Red Hat:rhel_eus:9.6::baseos	kernel-rt-modules-core	0, 0
Red Hat:rhel_eus:9.6::realtime	kernel-rt-64k-debuginfo	0, 0
Red Hat:rhel_eus:9.6::crb	kernel-debuginfo-common-aarch64	0, 0

…and 435 more

Timeline

Nov 17, 2025 CVE Published
Apr 26, 2026 Distribution Patch (2 in total, the first dated here)
Apr 26, 2026 Security Advisory (2 in total, the first dated here)
May 4, 2026 CVE Updated

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln RHSA-2025%3A21563
vulnetix vdb fixes RHSA-2025%3A21563

Or with curl, using the org id and key from your account page:

curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/RHSA-2025%253A21563/fixes/registry"

The Community plan is free and allows 50 queries a day. Get a free API key · API quickstart

References

Look up in the Resolve Platform →