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SUSE: 2022:0619-1 Important: Critical Threats Fixed in Linux Kernel

suse
Calendar Grey March 1, 2022
Dist Suse Esm H88
A key announcement regarding SUSE tackles pressing concerns within the Linux Kernel Live Patch for SLE 15 SP3.
An update that fixes three vulnerabilities is now available

Summary

This update for the Linux Kernel 5.3.18-150300_59_43 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). - CVE-2021-22600: Fixed double free bug in packet_set_ring() in net/packet/af_packet.c that could have been exploited by a local user through crafted syscalls to escalate privileges or deny service (bsc#1195307). 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:

Topics%20covered

Topics Covered

security advisory critical privilege escalation local exploit SUSE

References

#1194463 #1195307 #1195947

Cross- CVE-2021-0920 CVE-2021-22600 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-2021-22600 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2021-22600 (SUSE): 8.4 CVSS:3.1/AV:L/AC:L/PR:N/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

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2022:0619-1
Rating: important

Topics%20covered

Topics Covered

security advisory critical privilege escalation local exploit SUSE

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