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AUSCERT External Security Bulletin Redistribution
ESB-2022.6020
Security update for the Linux Kernel (Live Patch 4 for SLE 15 SP4)
18 November 2022
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AusCERT Security Bulletin Summary
---------------------------------
Product: Linux Kernel
Publisher: SUSE
Operating System: SUSE
Resolution: Patch/Upgrade
CVE Names: CVE-2021-39698
Original Bulletin:
https://www.suse.com/support/update/announcement/2022/suse-su-20224036-1
Comment: CVSS (Max): 7.4 CVE-2021-39698 (CVSS:3.1/AV:L/AC:H/PR:N/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:N/UI:N/S:U/C:H/I:H/A:H
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SUSE Security Update: Security update for the Linux Kernel (Live
______________________________________________________________________________
Announcement ID: SUSE-SU-2022:4036-1
Rating: important
References: #1196959
Cross-References: CVE-2021-39698
Affected Products:
SUSE Linux Enterprise High Performance Computing 15-SP4
SUSE Linux Enterprise Module for Live Patching 15-SP4
SUSE Linux Enterprise Server 15-SP4
SUSE Linux Enterprise Server for SAP Applications 15-SP4
______________________________________________________________________________
Patch 4 for
SLE 15 SP4)
An update that fixes one vulnerability is now available.
Description:
This update for the Linux Kernel 5.14.21-150400_24_28 fixes one issue.
The following security issue was fixed:
o CVE-2021-39698: Fixed a possible memory corruption due to a use after free
in aio_poll_complete_work. This could lead to local escalation of privilege
with no additional execution privileges needed. (bsc#1196956)
Patch Instructions:
To install this SUSE Security 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 Module for Live Patching 15-SP4:
zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2022-4036=1
Package List:
o SUSE Linux Enterprise Module for Live Patching 15-SP4 (ppc64le s390x
x86_64):
kernel-livepatch-5_14_21-150400_24_28-default-2-150400.2.1
kernel-livepatch-5_14_21-150400_24_28-default-debuginfo-2-150400.2.1
kernel-livepatch-SLE15-SP4_Update_4-debugsource-2-150400.2.1
References:
o https://www.suse.com/security/cve/CVE-2021-39698.html
o https://bugzilla.suse.com/1196959
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