ESB-2026.5061
PUBLISHED
CVSS 7.800000190734863 HIGH
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AUSCERT External Security Bulletin Redistribution
ESB-2026.5061
kpatch-patch-4_18_0-477_107_1, kpatch-patch-4_18_0-477_120_1, kpatch-
patch-4_18_0-477_124_1, kpatch-patch-4_18_0-477_130_1, kpatch-
patch-4_18_0-477_89_1, and kpatch-patch-4_18_0-477_97_1 security update
13 May 2026
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AUSCERT Security Bulletin Summary
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Product: kpatch-patch-4_18_0-477_107_1
kpatch-patch-4_18_0-477_120_1
kpatch-patch-4_18_0-477_124_1
kpatch-patch-4_18_0-477_130_1
kpatch-patch-4_18_0-477_89_1
kpatch-patch-4_18_0-477_97_1
Publisher: Red Hat
Operating System: Red Hat
Resolution: Patch/Upgrade
CVE Names: CVE-2026-31431
Original Bulletin:
https://access.redhat.com/errata/RHSA-2026:16210
Comment: CVSS (Max): 7.8 CVE-2026-31431 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
CVSS Source: Red Hat
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
The following are listed in the CISA Known Exploited Vulnerabilities (KEV) Catalog:
CISA KEV CVE(s): CVE-2026-31431
CISA KEV URL: https://www.cisa.gov/known-exploited-vulnerabilities-catalog
EPSS (Max): 4.1% (88th) CVE-2026-31431 2026-05-12
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RHSA-2026:16210 - Security Advisory
Issued: 2026-05-12
Updated: 2026-05-12
Synopsis
Kpatch-patch-4_18_0-477_107_1, kpatch-patch-4_18_0-477_120_1,
kpatch-patch-4_18_0-477_124_1, kpatch-patch-4_18_0-477_130_1,
kpatch-patch-4_18_0-477_89_1, and kpatch-patch-4_18_0-477_97_1 security update
Type/Severity
Security Advisory: Important
Topic
An update for multiple packages is now available for Red Hat Enterprise Linux
8.8 Update Services for SAP Solutions.
Red Hat Product Security has rated this update as having a security impact of
Important. A Common Vulnerability Scoring System (CVSS) base score, which gives
a detailed severity rating, is available for each vulnerability from the CVE
link(s) in the References section.
Description
This is a kernel live patch module which can be loaded by the kpatch command
line utility to modify the code of a running kernel. This patch module is
targeted for kernel-4.18.0-477.89.1.el8_8.
Security Fix(es):
o kernel: crypto: algif_aead - Revert to operating out-of-place
(CVE-2026-31431)
For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE page(s)
listed in the References section.
Solution
For details on how to apply this update, which includes the changes described
in this advisory, refer to:
https://access.redhat.com/articles/11258
The system must be rebooted for this update to take effect.
Affected Products
o Red Hat Enterprise Linux for x86_64 - Extended Update Support Extension 8.8
x86_64
o Red Hat Enterprise Linux Server for Power LE - Update Services for SAP
Solutions 8.8 ppc64le
o Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.8
x86_64
Fixes
o BZ - 2460538 - CVE-2026-31431 kernel: crypto: algif_aead - Revert to
operating out-of-place
CVEs
o CVE-2026-31431
References
o https://access.redhat.com/security/updates/classification/#important
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