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SUSE: 2022:3379-1 Important: Race Condition Fix in Linux Kernel

suse
Calendar Grey September 25, 2022
Dist Suse Esm H88
SUSE Released Security Patch addressing critical race condition vulnerability in Live Patch 35 for SLE 12 SP5 Linux Kernel.
An update that fixes one vulnerability is now available

Summary

This update for the Linux Kernel 4.12.14-122_133 fixes one issue. The following security issue was fixed: - 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: - SUSE Linux Enterprise Live Patching 12-SP5: zypper in -t patch SUSE-SLE-Live-Patching-12-SP5-2022-3379=1 Package List: - SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le s390x x86_64): kgraft-patch-4_12_14-122_133-default-2-2.2

Topics%20covered

Topics Covered

security advisory kernel patch race condition SUSE important update

References

#1203116

Cross- CVE-2022-39188

CVSS scores:

CVE-2022-39188 (NVD) : 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

CVE-2022-39188 (SUSE): 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products:

SUSE Linux Enterprise Live Patching 12-SP5

https://www.suse.com/security/cve/CVE-2022-39188.html

https://bugzilla.suse.com/1203116

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2022:3379-1
Rating: important

Topics%20covered

Topics Covered

security advisory kernel patch race condition SUSE important update

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