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SUSE: 2022:0615-1 Important: Kernel Live Patch for KVM Escalation

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Calendar Grey March 1, 2022
Scroller Suse
This release tackles important vulnerabilities in the Ubuntu Linux Kernel Live Patch and improves overall system protection.
An update that fixes two vulnerabilities is now available

Summary

This update for the Linux Kernel 5.3.18-150300_59_49 fixes several issues. The following security issues were fixed: - CVE-2022-0516: Fixed KVM s390 return error on SIDA memop on normal guest (bsc#1195947). - CVE-2021-0920: Fixed a local privilege escalation due to an use after free bug in unix_gc (bsc#1194463). 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-SP3: zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP3-2022-605=1 - SUSE Linux Enterprise Module for Live Patching 15-SP2: zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP2-2022-615=1 Package List:

Topics%20covered

Topics Covered

security advisory kernel patch local escalation SUSE Linux system security important update KVM

References

#1194463 #1195947

Cross- CVE-2021-0920 CVE-2022-0516

CVSS scores:

CVE-2021-0920 (NVD) : 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

CVE-2021-0920 (SUSE): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2022-0516 (SUSE): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products:

SUSE Linux Enterprise High Performance Computing 15-SP2

SUSE Linux Enterprise High Performance Computing 15-SP3

SUSE Linux Enterprise Micro 5.1

SUSE Linux Enterprise Module for Live Patching 15-SP2

SUSE Linux Enterprise Module for Live Patching 15-SP3

SUSE Linux Enterprise Server 15-SP2

SUSE Linux Enterprise Server 15-SP3

SUSE Linux Enterprise Server for SAP Applications 15-SP2

SUSE Linux Enterprise Server for SAP Applications 15-SP3

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2022:0615-1
Rating: important

Topics%20covered

Topics Covered

security advisory kernel patch local escalation SUSE Linux system security important update KVM

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