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AUSCERT External Security Bulletin Redistribution
ESB-2022.1660
Security update for the Linux Kernel (Live Patch 16 for SLE 15 SP3)
19 April 2022
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AusCERT Security Bulletin Summary
---------------------------------
Product: kernel
Publisher: SUSE
Operating System: SUSE
Resolution: Patch/Upgrade
CVE Names: CVE-2022-27666 CVE-2021-39698
Original Bulletin:
https://www.suse.com/support/update/announcement/2022/suse-su-20221224-1
Comment: CVSS (Max): 7.7 CVE-2022-27666 (CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H)
CVSS Source: SUSE
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
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SUSE Security Update: Security update for the Linux Kernel (Live Patch 16 for
SLE 15 SP3)
______________________________________________________________________________
Announcement ID: SUSE-SU-2022:1224-1
Rating: important
References: #1196959 #1197133
Cross-References: CVE-2021-39698 CVE-2022-27666
Affected Products:
SUSE Linux Enterprise High Performance Computing 15-SP2
SUSE Linux Enterprise High Performance Computing 15-SP3
SUSE Linux Enterprise Micro 5.1
SUSE Linux Enterprise Module for Live Patching 15-SP2
SUSE Linux Enterprise Module for Live Patching 15-SP3
SUSE Linux Enterprise Server 15-SP2
SUSE Linux Enterprise Server 15-SP3
SUSE Linux Enterprise Server for SAP Applications 15-SP2
SUSE Linux Enterprise Server for SAP Applications 15-SP3
______________________________________________________________________________
An update that fixes two vulnerabilities is now available.
Description:
This update for the Linux Kernel 5.3.18-150300_59_60 fixes several issues.
The following security issues were fixed:
o CVE-2022-27666: Fixed a buffer overflow vulnerability in IPsec ESP
transformation code. This flaw allowed a local attacker with a normal user
privilege to overwrite kernel heap objects and may cause a local privilege
escalation. (bnc#1197462)
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-SP3:
zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP3-2022-1236=1
SUSE-SLE-Module-Live-Patching-15-SP3-2022-1240=1
o SUSE Linux Enterprise Module for Live Patching 15-SP2:
zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP2-2022-1224=1
SUSE-SLE-Module-Live-Patching-15-SP2-2022-1225=1
Package List:
o SUSE Linux Enterprise Module for Live Patching 15-SP3 (ppc64le s390x
x86_64):
kernel-livepatch-5_3_18-150300_59_49-default-4-150300.2.1
kernel-livepatch-5_3_18-150300_59_60-default-2-150300.2.1
o SUSE Linux Enterprise Module for Live Patching 15-SP2 (ppc64le s390x
x86_64):
kernel-livepatch-5_3_18-24_102-default-4-150200.2.1
kernel-livepatch-5_3_18-24_102-default-debuginfo-4-150200.2.1
kernel-livepatch-5_3_18-24_107-default-3-150200.2.1
kernel-livepatch-5_3_18-24_107-default-debuginfo-3-150200.2.1
kernel-livepatch-SLE15-SP2_Update_24-debugsource-4-150200.2.1
o SUSE Linux Enterprise Module for Live Patching 15-SP2 (ppc64le x86_64):
kernel-livepatch-SLE15-SP2_Update_25-debugsource-3-150200.2.1
References:
o https://www.suse.com/security/cve/CVE-2021-39698.html
o https://www.suse.com/security/cve/CVE-2022-27666.html
o https://bugzilla.suse.com/1196959
o https://bugzilla.suse.com/1197133
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