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SUSE Linux Enterprise 12 SP5: 2022:2443-1 Important Escalation Fix

suse
Calendar Grey July 19, 2022
Dist Suse Esm H88
A security patch for the Linux Kernel Live Update 35 (SLE 15 SP3) resolving a significant privilege escalation vulnerability.
An update that fixes one vulnerability is now available

Summary

This update for the Linux Kernel 4.12.14-122_124 fixes one issue. The following security issue was fixed: - CVE-2022-20154: Fixed a use after free due to a race condition in lock_sock_nested of sock.c. This could lead to local escalation of privilege with System execution privileges needed (bsc#1200599). 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-SP5-2022-2443=1 Package List: - SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le s390x x86_64): kgraft-patch-4_12_14-122_124-default-2-2.1

Topics%20covered

Topics Covered

security advisory important Linux kernel SUSE Linux Enterprise escalation fix

References

#1200608

Cross- CVE-2022-20154

CVSS scores:

CVE-2022-20154 (NVD) : 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

CVE-2022-20154 (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-2022-20154.html

https://bugzilla.suse.com/1200608

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2022:2443-1
Rating: important

Topics%20covered

Topics Covered

security advisory important Linux kernel SUSE Linux Enterprise escalation fix

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