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AUSCERT External Security Bulletin Redistribution
ESB-2023.0660
Security update for the Linux Kernel (Live Patch 31 for SLE 15 SP2)
6 February 2023
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AusCERT Security Bulletin Summary
---------------------------------
Product: Linux Kernel
Publisher: SUSE
Operating System: SUSE
Resolution: Patch/Upgrade
CVE Names: CVE-2022-3424 CVE-2022-2602
Original Bulletin:
https://www.suse.com/support/update/announcement/2023/suse-su-20230237-1
Comment: CVSS (Max): 7.8 CVE-2022-2602 (CVSS:3.1/AV:L/AC:L/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:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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SUSE Security Update: Security update for the Linux Kernel (Live Patch 31 for
SLE 15 SP2)
______________________________________________________________________________
Announcement ID: SUSE-SU-2023:0237-1
Rating: important
References: #1204167 #1205186
Cross-References: CVE-2022-2602 CVE-2022-3424
Affected Products:
SUSE Linux Enterprise High Performance Computing 15-SP2
SUSE Linux Enterprise Module for Live Patching 15-SP2
SUSE Linux Enterprise Server 15-SP2
SUSE Linux Enterprise Server for SAP Applications 15-SP2
______________________________________________________________________________
An update that fixes two vulnerabilities is now available.
Description:
This update for the Linux Kernel 5.3.18-150200_24_134 fixes several issues.
The following security issues were fixed:
o CVE-2022-3424: Fixed use-after-free in gru_set_context_option(), gru_fault
() and gru_handle_user_call_os() that could lead to kernel panic (bsc#
1204167).
o CVE-2022-2602: Fixed a local privilege escalation vulnerability involving
Unix socket Garbage Collection and io_uring (bsc#1205186).
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-SP2:
zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP2-2023-237=1
Package List:
o SUSE Linux Enterprise Module for Live Patching 15-SP2 (ppc64le s390x
x86_64):
kernel-livepatch-5_3_18-150200_24_134-default-4-150200.2.1
kernel-livepatch-5_3_18-150200_24_134-default-debuginfo-4-150200.2.1
kernel-livepatch-SLE15-SP2_Update_31-debugsource-4-150200.2.1
References:
o https://www.suse.com/security/cve/CVE-2022-2602.html
o https://www.suse.com/security/cve/CVE-2022-3424.html
o https://bugzilla.suse.com/1204167
o https://bugzilla.suse.com/1205186
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===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
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