RHSA-2026:49030: kernel Red Hat

CVSS: 7.0v3.1HighPublished

Published 01-08-2026Last modified 17-10-2026

Open JSON

Vulnerability summary

RHSA-2026:49030 is a high (CVSS 7.0) vulnerability in kernel Red Hat.

Overall risk

28/100

0100

Medium · default modelHow is this calculated?

CVSS score

7.0/10

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 3 · Downstream 0

CVE-2025-40026 CVE-2026-63807 CVE-2026-64561

Timeline

01-08-2026
PublishedVulnerability first disclosed.
17-10-2026
Last modifiedVulnerability information updated.

Description

Red Hat Security Advisory: kernel security update

CVSS metrics

1 score · 1 source · 1 version

v3.17.0

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

Redhat91 products

kernel< 0:6.12.0-55.94.1.el10_0
kernel-64k< 0:6.12.0-55.94.1.el10_0
kernel-64k-core< 0:6.12.0-55.94.1.el10_0
kernel-64k-debug< 0:6.12.0-55.94.1.el10_0
kernel-64k-debug-core< 0:6.12.0-55.94.1.el10_0

kernel-64k-debug-debuginfo< 0:6.12.0-55.94.1.el10_0
kernel-64k-debug-devel< 0:6.12.0-55.94.1.el10_0
kernel-64k-debug-devel-matched< 0:6.12.0-55.94.1.el10_0
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kernel-64k-debuginfo< 0:6.12.0-55.94.1.el10_0
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kernel-64k-modules-core< 0:6.12.0-55.94.1.el10_0
kernel-64k-modules-extra< 0:6.12.0-55.94.1.el10_0
kernel-abi-stablelists< 0:6.12.0-55.94.1.el10_0
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kernel-debuginfo-common-ppc64le< 0:6.12.0-55.94.1.el10_0
kernel-debuginfo-common-s390x< 0:6.12.0-55.94.1.el10_0
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kernel-rt< 0:6.12.0-55.94.1.el10_0
kernel-rt-64k< 0:6.12.0-55.94.1.el10_0
kernel-rt-64k-core< 0:6.12.0-55.94.1.el10_0
kernel-rt-64k-debug< 0:6.12.0-55.94.1.el10_0
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kernel-rt-debug-debuginfo< 0:6.12.0-55.94.1.el10_0
kernel-rt-debug-devel< 0:6.12.0-55.94.1.el10_0
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kernel-rt-kvm< 0:6.12.0-55.94.1.el10_0
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kernel-tools< 0:6.12.0-55.94.1.el10_0
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libperf< 0:6.12.0-55.94.1.el10_0
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python3-perf-debuginfo< 0:6.12.0-55.94.1.el10_0
rtla< 0:6.12.0-55.94.1.el10_0
rv< 0:6.12.0-55.94.1.el10_0