RHSA-2026:55761: kpatch-patch-4_18_0-477_107_1 Red Hat

Published

Published 20-08-2026Last modified 10-10-2026

Vulnerability summary

RHSA-2026:55761 is a high (CVSS 7.8) vulnerability in kpatch-patch-4_18_0-477_107_1 Red Hat.

Priority

Routine

Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?

CVSS score

7.8/10

010

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

EPSS scoreNot scoredRisk metrics not yet published.

KEVNot listedNot listed by any tracked catalog.

RansomwareNot flaggedNo ransomware use recorded.

Public exploits0No public exploits recorded

Advisory lineage

Upstream 4 · Downstream 0

CVE-2026-43038 CVE-2026-43125 CVE-2026-43329 CVE-2026-64530

Timeline

20-08-2026
PublishedVulnerability first disclosed.
10-10-2026
Last modifiedVulnerability information updated.

Description

Red Hat Security Advisory: kpatch-patch-4_18_0-477_107_1, kpatch-patch-4_18_0-477_120_1, kpatch-patch-4_18_0-477_130_1, kpatch-patch-4_18_0-477_143_1, and kpatch-patch-4_18_0-477_97_1 security update

CVSS metrics

1 score · 1 source · 1 version

v3.17.8

EPSS trend

No EPSS score has been published for this record yet.

Known exploited

Compare KEV catalogs

CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Redhat15 products

kpatch-patch-4_18_0-477_107_1< 0:1-12.el8_8
kpatch-patch-4_18_0-477_107_1-debuginfo< 0:1-12.el8_8
kpatch-patch-4_18_0-477_107_1-debugsource< 0:1-12.el8_8
kpatch-patch-4_18_0-477_120_1< 0:1-11.el8_8
kpatch-patch-4_18_0-477_120_1-debuginfo< 0:1-11.el8_8