RHSA-2026:81552: kernel Red Hat

CVSS: 8.1v3.1HighPublished

Published 14-10-2026Last modified 18-10-2026

Open JSON

Vulnerability summary

RHSA-2026:81552 is a high (CVSS 8.1) vulnerability in kernel Red Hat.

Overall risk

32/100

0100

Medium · default modelHow is this calculated?

CVSS score

8.1/10

010

High · v3.1 (OSV · Red hat), selected by version preference

EPSS score

Not scored

0%100%

No EPSS score yet

KEVNot listedIn no KEV catalog

RansomwareNone recordedNo known use recorded

Public exploits0No public exploits recorded

Advisory lineage

Upstream 13 · Downstream 0

CVE-2026-46309 CVE-2026-63925 CVE-2026-64507 CVE-2026-64508 CVE-2026-68123 CVE-2026-68236+7 more

Timeline

14-10-2026
PublishedVulnerability first disclosed.
18-10-2026
Last modifiedVulnerability information updated.

Description

Red Hat Security Advisory: kernel security update

CVSS metrics

1 score · 1 source · 1 version

v3.18.1

EPSS trend

No EPSS score has been published for this record yet.

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Redhat89 products

kernel< 0:5.14.0-687.57.1.el9_8
kernel-64k< 0:5.14.0-687.57.1.el9_8
kernel-64k-core< 0:5.14.0-687.57.1.el9_8
kernel-64k-debug< 0:5.14.0-687.57.1.el9_8
kernel-64k-debug-core< 0:5.14.0-687.57.1.el9_8

kernel-64k-debug-debuginfo< 0:5.14.0-687.57.1.el9_8
kernel-64k-debug-devel< 0:5.14.0-687.57.1.el9_8
kernel-64k-debug-devel-matched< 0:5.14.0-687.57.1.el9_8
kernel-64k-debug-modules< 0:5.14.0-687.57.1.el9_8
kernel-64k-debug-modules-core< 0:5.14.0-687.57.1.el9_8
kernel-64k-debug-modules-extra< 0:5.14.0-687.57.1.el9_8
kernel-64k-debuginfo< 0:5.14.0-687.57.1.el9_8
kernel-64k-devel< 0:5.14.0-687.57.1.el9_8
kernel-64k-devel-matched< 0:5.14.0-687.57.1.el9_8
kernel-64k-modules< 0:5.14.0-687.57.1.el9_8
kernel-64k-modules-core< 0:5.14.0-687.57.1.el9_8
kernel-64k-modules-extra< 0:5.14.0-687.57.1.el9_8
kernel-abi-stablelists< 0:5.14.0-687.57.1.el9_8
kernel-core< 0:5.14.0-687.57.1.el9_8
kernel-debug< 0:5.14.0-687.57.1.el9_8
kernel-debug-core< 0:5.14.0-687.57.1.el9_8
kernel-debug-debuginfo< 0:5.14.0-687.57.1.el9_8
kernel-debug-devel< 0:5.14.0-687.57.1.el9_8
kernel-debug-devel-matched< 0:5.14.0-687.57.1.el9_8
kernel-debug-modules< 0:5.14.0-687.57.1.el9_8
kernel-debug-modules-core< 0:5.14.0-687.57.1.el9_8
kernel-debug-modules-extra< 0:5.14.0-687.57.1.el9_8
kernel-debug-uki-virt< 0:5.14.0-687.57.1.el9_8
kernel-debuginfo< 0:5.14.0-687.57.1.el9_8
kernel-debuginfo-common-aarch64< 0:5.14.0-687.57.1.el9_8
kernel-debuginfo-common-ppc64le< 0:5.14.0-687.57.1.el9_8
kernel-debuginfo-common-s390x< 0:5.14.0-687.57.1.el9_8
kernel-debuginfo-common-x86_64< 0:5.14.0-687.57.1.el9_8
kernel-devel< 0:5.14.0-687.57.1.el9_8
kernel-devel-matched< 0:5.14.0-687.57.1.el9_8
kernel-doc< 0:5.14.0-687.57.1.el9_8
kernel-modules< 0:5.14.0-687.57.1.el9_8
kernel-modules-core< 0:5.14.0-687.57.1.el9_8
kernel-modules-extra< 0:5.14.0-687.57.1.el9_8
kernel-rt< 0:5.14.0-687.57.1.el9_8
kernel-rt-64k< 0:5.14.0-687.57.1.el9_8
kernel-rt-64k-core< 0:5.14.0-687.57.1.el9_8
kernel-rt-64k-debug< 0:5.14.0-687.57.1.el9_8
kernel-rt-64k-debug-core< 0:5.14.0-687.57.1.el9_8
kernel-rt-64k-debug-debuginfo< 0:5.14.0-687.57.1.el9_8
kernel-rt-64k-debug-devel< 0:5.14.0-687.57.1.el9_8
kernel-rt-64k-debug-modules< 0:5.14.0-687.57.1.el9_8
kernel-rt-64k-debug-modules-core< 0:5.14.0-687.57.1.el9_8
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kernel-rt-64k-debuginfo< 0:5.14.0-687.57.1.el9_8
kernel-rt-64k-devel< 0:5.14.0-687.57.1.el9_8
kernel-rt-64k-modules< 0:5.14.0-687.57.1.el9_8
kernel-rt-64k-modules-core< 0:5.14.0-687.57.1.el9_8
kernel-rt-64k-modules-extra< 0:5.14.0-687.57.1.el9_8
kernel-rt-core< 0:5.14.0-687.57.1.el9_8
kernel-rt-debug< 0:5.14.0-687.57.1.el9_8
kernel-rt-debug-core< 0:5.14.0-687.57.1.el9_8
kernel-rt-debug-debuginfo< 0:5.14.0-687.57.1.el9_8
kernel-rt-debug-devel< 0:5.14.0-687.57.1.el9_8
kernel-rt-debug-modules< 0:5.14.0-687.57.1.el9_8
kernel-rt-debug-modules-core< 0:5.14.0-687.57.1.el9_8
kernel-rt-debug-modules-extra< 0:5.14.0-687.57.1.el9_8
kernel-rt-debuginfo< 0:5.14.0-687.57.1.el9_8
kernel-rt-devel< 0:5.14.0-687.57.1.el9_8
kernel-rt-modules< 0:5.14.0-687.57.1.el9_8
kernel-rt-modules-core< 0:5.14.0-687.57.1.el9_8
kernel-rt-modules-extra< 0:5.14.0-687.57.1.el9_8
kernel-tools< 0:5.14.0-687.57.1.el9_8
kernel-tools-debuginfo< 0:5.14.0-687.57.1.el9_8
kernel-tools-libs< 0:5.14.0-687.57.1.el9_8
kernel-tools-libs-devel< 0:5.14.0-687.57.1.el9_8
kernel-uki-virt< 0:5.14.0-687.57.1.el9_8
kernel-uki-virt-addons< 0:5.14.0-687.57.1.el9_8
kernel-zfcpdump< 0:5.14.0-687.57.1.el9_8
kernel-zfcpdump-core< 0:5.14.0-687.57.1.el9_8
kernel-zfcpdump-debuginfo< 0:5.14.0-687.57.1.el9_8
kernel-zfcpdump-devel< 0:5.14.0-687.57.1.el9_8
kernel-zfcpdump-devel-matched< 0:5.14.0-687.57.1.el9_8
kernel-zfcpdump-modules< 0:5.14.0-687.57.1.el9_8
kernel-zfcpdump-modules-core< 0:5.14.0-687.57.1.el9_8
kernel-zfcpdump-modules-extra< 0:5.14.0-687.57.1.el9_8
libperf< 0:5.14.0-687.57.1.el9_8
libperf-debuginfo< 0:5.14.0-687.57.1.el9_8
perf< 0:5.14.0-687.57.1.el9_8
perf-debuginfo< 0:5.14.0-687.57.1.el9_8
python3-perf< 0:5.14.0-687.57.1.el9_8
python3-perf-debuginfo< 0:5.14.0-687.57.1.el9_8
rtla< 0:5.14.0-687.57.1.el9_8
rv< 0:5.14.0-687.57.1.el9_8