RHSA-2026:77689: kernel Red Hat

CVSS: 8.8v3.1HighPublished

Published 10-10-2026Last modified 17-10-2026

Open JSON

Vulnerability summary

RHSA-2026:77689 is a high (CVSS 8.8) vulnerability in kernel Red Hat.

Overall risk

35/100

0100

Medium · default modelHow is this calculated?

CVSS score

8.8/10

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 14 · Downstream 0

CVE-2026-23103 CVE-2026-53360 CVE-2026-53365 CVE-2026-53398 CVE-2026-63970 CVE-2026-64035+8 more

Timeline

10-10-2026
PublishedVulnerability first disclosed.
17-10-2026
Last modifiedVulnerability information updated.

Description

Red Hat Security Advisory: kernel security, bug fix, and enhancement update

CVSS metrics

1 score · 1 source · 1 version

v3.18.8

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< 0:5.14.0-687.56.1.el9_8
kernel-64k< 0:5.14.0-687.56.1.el9_8
kernel-64k-core< 0:5.14.0-687.56.1.el9_8
kernel-64k-debug< 0:5.14.0-687.56.1.el9_8
kernel-64k-debug-core< 0:5.14.0-687.56.1.el9_8

kernel-64k-debug-debuginfo< 0:5.14.0-687.56.1.el9_8
kernel-64k-debug-devel< 0:5.14.0-687.56.1.el9_8
kernel-64k-debug-devel-matched< 0:5.14.0-687.56.1.el9_8
kernel-64k-debug-modules< 0:5.14.0-687.56.1.el9_8
kernel-64k-debug-modules-core< 0:5.14.0-687.56.1.el9_8
kernel-64k-debug-modules-extra< 0:5.14.0-687.56.1.el9_8
kernel-64k-debuginfo< 0:5.14.0-687.56.1.el9_8
kernel-64k-devel< 0:5.14.0-687.56.1.el9_8
kernel-64k-devel-matched< 0:5.14.0-687.56.1.el9_8
kernel-64k-modules< 0:5.14.0-687.56.1.el9_8
kernel-64k-modules-core< 0:5.14.0-687.56.1.el9_8
kernel-64k-modules-extra< 0:5.14.0-687.56.1.el9_8
kernel-abi-stablelists< 0:5.14.0-687.56.1.el9_8
kernel-core< 0:5.14.0-687.56.1.el9_8
kernel-debug< 0:5.14.0-687.56.1.el9_8
kernel-debug-core< 0:5.14.0-687.56.1.el9_8
kernel-debug-debuginfo< 0:5.14.0-687.56.1.el9_8
kernel-debug-devel< 0:5.14.0-687.56.1.el9_8
kernel-debug-devel-matched< 0:5.14.0-687.56.1.el9_8
kernel-debug-modules< 0:5.14.0-687.56.1.el9_8
kernel-debug-modules-core< 0:5.14.0-687.56.1.el9_8
kernel-debug-modules-extra< 0:5.14.0-687.56.1.el9_8
kernel-debug-uki-virt< 0:5.14.0-687.56.1.el9_8
kernel-debuginfo< 0:5.14.0-687.56.1.el9_8
kernel-debuginfo-common-aarch64< 0:5.14.0-687.56.1.el9_8
kernel-debuginfo-common-ppc64le< 0:5.14.0-687.56.1.el9_8
kernel-debuginfo-common-s390x< 0:5.14.0-687.56.1.el9_8
kernel-debuginfo-common-x86_64< 0:5.14.0-687.56.1.el9_8
kernel-devel< 0:5.14.0-687.56.1.el9_8
kernel-devel-matched< 0:5.14.0-687.56.1.el9_8
kernel-doc< 0:5.14.0-687.56.1.el9_8
kernel-modules< 0:5.14.0-687.56.1.el9_8
kernel-modules-core< 0:5.14.0-687.56.1.el9_8
kernel-modules-extra< 0:5.14.0-687.56.1.el9_8
kernel-rt< 0:5.14.0-687.56.1.el9_8
kernel-rt-64k< 0:5.14.0-687.56.1.el9_8
kernel-rt-64k-core< 0:5.14.0-687.56.1.el9_8
kernel-rt-64k-debug< 0:5.14.0-687.56.1.el9_8
kernel-rt-64k-debug-core< 0:5.14.0-687.56.1.el9_8
kernel-rt-64k-debug-debuginfo< 0:5.14.0-687.56.1.el9_8
kernel-rt-64k-debug-devel< 0:5.14.0-687.56.1.el9_8
kernel-rt-64k-debug-modules< 0:5.14.0-687.56.1.el9_8
kernel-rt-64k-debug-modules-core< 0:5.14.0-687.56.1.el9_8
kernel-rt-64k-debug-modules-extra< 0:5.14.0-687.56.1.el9_8
kernel-rt-64k-debuginfo< 0:5.14.0-687.56.1.el9_8
kernel-rt-64k-devel< 0:5.14.0-687.56.1.el9_8
kernel-rt-64k-modules< 0:5.14.0-687.56.1.el9_8
kernel-rt-64k-modules-core< 0:5.14.0-687.56.1.el9_8
kernel-rt-64k-modules-extra< 0:5.14.0-687.56.1.el9_8
kernel-rt-core< 0:5.14.0-687.56.1.el9_8
kernel-rt-debug< 0:5.14.0-687.56.1.el9_8
kernel-rt-debug-core< 0:5.14.0-687.56.1.el9_8
kernel-rt-debug-debuginfo< 0:5.14.0-687.56.1.el9_8
kernel-rt-debug-devel< 0:5.14.0-687.56.1.el9_8
kernel-rt-debug-modules< 0:5.14.0-687.56.1.el9_8
kernel-rt-debug-modules-core< 0:5.14.0-687.56.1.el9_8
kernel-rt-debug-modules-extra< 0:5.14.0-687.56.1.el9_8
kernel-rt-debuginfo< 0:5.14.0-687.56.1.el9_8
kernel-rt-devel< 0:5.14.0-687.56.1.el9_8
kernel-rt-modules< 0:5.14.0-687.56.1.el9_8
kernel-rt-modules-core< 0:5.14.0-687.56.1.el9_8
kernel-rt-modules-extra< 0:5.14.0-687.56.1.el9_8
kernel-tools< 0:5.14.0-687.56.1.el9_8
kernel-tools-debuginfo< 0:5.14.0-687.56.1.el9_8
kernel-tools-libs< 0:5.14.0-687.56.1.el9_8
kernel-tools-libs-devel< 0:5.14.0-687.56.1.el9_8
kernel-uki-virt< 0:5.14.0-687.56.1.el9_8
kernel-uki-virt-addons< 0:5.14.0-687.56.1.el9_8
kernel-zfcpdump< 0:5.14.0-687.56.1.el9_8
kernel-zfcpdump-core< 0:5.14.0-687.56.1.el9_8
kernel-zfcpdump-debuginfo< 0:5.14.0-687.56.1.el9_8
kernel-zfcpdump-devel< 0:5.14.0-687.56.1.el9_8
kernel-zfcpdump-devel-matched< 0:5.14.0-687.56.1.el9_8
kernel-zfcpdump-modules< 0:5.14.0-687.56.1.el9_8
kernel-zfcpdump-modules-core< 0:5.14.0-687.56.1.el9_8
kernel-zfcpdump-modules-extra< 0:5.14.0-687.56.1.el9_8
libperf< 0:5.14.0-687.56.1.el9_8
libperf-debuginfo< 0:5.14.0-687.56.1.el9_8
perf< 0:5.14.0-687.56.1.el9_8
perf-debuginfo< 0:5.14.0-687.56.1.el9_8
python3-perf< 0:5.14.0-687.56.1.el9_8
python3-perf-debuginfo< 0:5.14.0-687.56.1.el9_8
rtla< 0:5.14.0-687.56.1.el9_8
rv< 0:5.14.0-687.56.1.el9_8