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AUSCERT External Security Bulletin Redistribution
ESB-2022.4727
Security update for the Linux Kernel (Live Patch 35 for SLE 12 SP5)
26 September 2022
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AusCERT Security Bulletin Summary
---------------------------------
Product: Linux Kernel
Publisher: SUSE
Operating System: SUSE
Resolution: Patch/Upgrade
CVE Names: CVE-2022-39188
Original Bulletin:
https://www.suse.com/support/update/announcement/2022/suse-su-20223379-1
Comment: CVSS (Max): 7.0 CVE-2022-39188 (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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SUSE Security Update: Security update for the Linux Kernel (Live Patch 35 for
SLE 12 SP5)
______________________________________________________________________________
Announcement ID: SUSE-SU-2022:3379-1
Rating: important
References: #1203116
Cross-References: CVE-2022-39188
Affected Products:
SUSE Linux Enterprise Live Patching 12-SP5
______________________________________________________________________________
An update that fixes one vulnerability is now available.
Description:
This update for the Linux Kernel 4.12.14-122_133 fixes one issue.
The following security issue was fixed:
o CVE-2022-39188: Fixed a race condition between unmap_mapping_range() and
munmap() on VM_PFNMAP mappings leads to stale TLB entry (bsc#1203116).
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 Live Patching 12-SP5:
zypper in -t patch SUSE-SLE-Live-Patching-12-SP5-2022-3379=1
Package List:
o SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le s390x x86_64):
kgraft-patch-4_12_14-122_133-default-2-2.2
References:
o https://www.suse.com/security/cve/CVE-2022-39188.html
o https://bugzilla.suse.com/1203116
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