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SUSE: 2022:3362-1 Important: Linux Kernel Race Condition and Patch

suse
Calendar Grey September 24, 2022
Dist Suse Esm H88
SUSE Security Announcement regarding the Linux Kernel: Urgent live patch addresses a significant race condition affecting various distributions.
An update that fixes one vulnerability is now available

Summary

This update for the Linux Kernel 4.12.14-150000_150_98 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 Module for Live Patching 15: zypper in -t patch SUSE-SLE-Module-Live-Patching-15-2022-3361=1 SUSE-SLE-Module-Live-Patching-15-2022-3362=1 - SUSE Linux Enterprise Live Patching 12-SP4: zypper in -t patch SUSE-SLE-Live-Patching-12-SP4-2022-3357=1 Package List:

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 High Performance Computing 15

SUSE Linux Enterprise Live Patching 12-SP4

SUSE Linux Enterprise Module for Live Patching 15

SUSE Linux Enterprise Server 15

SUSE Linux Enterprise Server for SAP Applications 15

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-2022:3362-1
Rating: important

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