ESB-2026.4372
PUBLISHED
CVSS 7 HIGH
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AUSCERT External Security Bulletin Redistribution
ESB-2026.4372
Security update for the Linux Kernel (Live Patch 3 for SUSE Linux
Enterprise 16)
29 April 2026
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AUSCERT Security Bulletin Summary
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Product: Linux Kernel (Live Patch 3 for SUSE Linux Enterprise 16)
Publisher: SUSE
Operating System: SUSE
Resolution: Patch/Upgrade
CVE Names: CVE-2026-23268
Original Bulletin:
https://www.suse.com/support/update/announcement/2026/suse-su-202621387-1
Comment: CVSS (Max): 7.0 CVE-2026-23268 (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H)
CVSS Source: SUSE
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (Max): 0.0% (4th) CVE-2026-23268 2026-04-28
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Security update for the Linux Kernel (Live Patch 3 for SUSE Linux Enterprise
16)
Announcement ID: SUSE-SU-2026:21387-1
Release Date: 2026-04-23T08:20:31Z
Rating: important
References: o bsc#1259859
Cross-References: o CVE-2026-23268
o CVE-2026-23268 ( SUSE ): 7.3 CVSS:4.0/AV:L/AC:H/AT:N/PR:L
/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
o CVE-2026-23268 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N
CVSS scores: /S:U/C:H/I:H/A:H
o CVE-2026-23268 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/
S:U/C:H/I:H/A:H
Affected o SUSE Linux Enterprise Server 16.0
Products: o SUSE Linux Enterprise Server for SAP applications 16.0
An update that solves one vulnerability can now be installed.
Description:
This update for the SUSE Linux Enterprise Kernel 6.12.0-160000.8.1 fixes one
security issue
The following security issue was fixed:
o CVE-2026-23268: apparmor: fix unprivileged local user can do privileged
policy management (bsc#1259859).
Patch Instructions:
To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
o SUSE Linux Enterprise Server for SAP applications 16.0
zypper in -t patch SUSE-SLES-16.0-633=1
o SUSE Linux Enterprise Server 16.0
zypper in -t patch SUSE-SLES-16.0-633=1
Package List:
o SUSE Linux Enterprise Server for SAP applications 16.0 (ppc64le x86_64)
kernel-livepatch-6_12_0-160000_8-default-5-160000.1.1
kernel-livepatch-SLE16_Update_3-debugsource-5-160000.1.1
kernel-livepatch-6_12_0-160000_8-default-debuginfo-5-160000.1.1
o SUSE Linux Enterprise Server 16.0 (ppc64le s390x x86_64)
kernel-livepatch-6_12_0-160000_8-default-5-160000.1.1
kernel-livepatch-SLE16_Update_3-debugsource-5-160000.1.1
kernel-livepatch-6_12_0-160000_8-default-debuginfo-5-160000.1.1
References:
o https://www.suse.com/security/cve/CVE-2026-23268.html
o https://bugzilla.suse.com/show_bug.cgi?id=1259859
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