SUSE 15-SP3: 2022:0660-1 Critical Local Escalation Risks
suse
March 2, 2022
An update that fixes three vulnerabilities is now available
Summary
This update for the Linux Kernel 5.3.18-59_27 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 Covered
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-SP3
SUSE Linux Enterprise Micro 5.1
SUSE Linux Enterprise Module for Live Patching 15-SP3
SUSE Linux Enterprise Server 15-SP3
SUSE Linux Enterprise Server for SAP Applications 15-SP3
https://www.suse.com/security/cve/CVE-2021-0920.html
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Severity
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Critical
Announcement ID: SUSE-SU-2022:0660-1
Rating: important
Topics Covered
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