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SUSE: 2022:2435-1 Important: Local Escalation in Linux Kernel

suse
Calendar Grey July 19, 2022
Dist Suse Esm H88
SUSE Linux Kernel Upgrade Addresses Significant Vulnerability with Live Patching for 15 SP1, Safeguarding System Integrity.
An update that fixes one vulnerability is now available

Summary

This update for the Linux Kernel 4.12.14-150100_197_114 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 Module for Live Patching 15-SP2: zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP2-2022-2435=1 - SUSE Linux Enterprise Module for Live Patching 15-SP1: zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP1-2022-2434=1 Package List:

Topics%20covered

Topics Covered

security advisory update patch important suse local escalation linux kernel

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 High Performance Computing 15-SP1

SUSE Linux Enterprise High Performance Computing 15-SP2

SUSE Linux Enterprise Module for Live Patching 15-SP1

SUSE Linux Enterprise Module for Live Patching 15-SP2

SUSE Linux Enterprise Server 15-SP1

SUSE Linux Enterprise Server 15-SP2

SUSE Linux Enterprise Server for SAP Applications 15-SP1

SUSE Linux Enterprise Server for SAP Applications 15-SP2

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-2022:2435-1
Rating: important

Topics%20covered

Topics Covered

security advisory update patch important suse local escalation linux kernel

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