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AUSCERT External Security Bulletin Redistribution
ESB-2023.3737
Security update for the Linux Kernel (Live Patch 35 for SLE 15 SP2)
30 June 2023
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AusCERT Security Bulletin Summary
---------------------------------
Product: Linux Kernel (Live Patch 35 for SLE 15 SP2)
Publisher: SUSE
Operating System: SUSE
Resolution: Patch/Upgrade
CVE Names: CVE-2023-31436
Original Bulletin:
https://www.suse.com/support/update/announcement/2023/suse-su-20232700-1
Comment: CVSS (Max): 7.0 CVE-2023-31436 (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
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Security update for the Linux Kernel (Live Patch 35 for SLE 15 SP2)
Announcement ID: SUSE-SU-2023:2700-1
Rating: important
References: o #1210989
Cross-References: o CVE-2023-31436
o CVE-2023-31436 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N
/S:U/C:H/I:H/A:H
CVSS scores: o CVE-2023-31436 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/
S:U/C:H/I:H/A:H
o SUSE Linux Enterprise High Performance Computing 15 SP2
Affected o SUSE Linux Enterprise Live Patching 15-SP2
Products: o SUSE Linux Enterprise Server 15 SP2
o SUSE Linux Enterprise Server for SAP Applications 15 SP2
An update that solves one vulnerability can now be installed.
Description:
This update for the Linux Kernel 5.3.18-150200_24_148 fixes one issue.
The following security issue was fixed:
o CVE-2023-31436: Fixed an out-of-bounds write in qfq_change_class() because
lmax can exceed QFQ_MIN_LMAX (bsc#1210989).
Patch Instructions:
To install this SUSE Important 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 Live Patching 15-SP2
zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP2-2023-2700=1
Package List:
o SUSE Linux Enterprise Live Patching 15-SP2 (ppc64le s390x x86_64)
kernel-livepatch-5_3_18-150200_24_148-default-3-150200.2.1
kernel-livepatch-5_3_18-150200_24_148-default-debuginfo-3-150200.2.1
kernel-livepatch-SLE15-SP2_Update_35-debugsource-3-150200.2.1
References:
o https://www.suse.com/security/cve/CVE-2023-31436.html
o https://bugzilla.suse.com/show_bug.cgiid=1210989
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