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SUSE 15 SP3: 2022:0270-1 Important: Linux Kernel Live Patch 7 Major Issues

suse
Calendar Grey February 1, 2022
Dist Suse Esm H88
Rectifies multiple bugs in the Linux Kernel through significant enhancements for SUSE's Live Patch 8 on SLE 15 SP4 version.
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-2022-0185: Incorrect param length parsing in legacy_parse_param which could have led to a local privilege escalation (bsc#1194517). - CVE-2021-4028: Fixed use-after-free in RDMA listen() that could lead to DoS or privilege escalation by a local attacker (bsc#1193167). - CVE-2021-42739: The firewire subsystem had a buffer overflow related to drivers/media/firewire/firedtv-avc.c and drivers/media/firewire/firedtv-ci.c, because avc_ca_pmt mishandled bounds checking (bsc#1184673). Patch Instructions: To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

References

#1192036 #1193529 #1194737

Cross- CVE-2021-4028 CVE-2021-42739 CVE-2022-0185

CVSS scores:

CVE-2021-4028 (SUSE): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2021-42739 (SUSE): 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVE-2022-0185 (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 Module for Live Patching 15-SP3

https://www.suse.com/security/cve/CVE-2021-4028.html

https://www.suse.com/security/cve/CVE-2021-42739.html

https://www.suse.com/security/cve/CVE-2022-0185.html

https://bugzilla.suse.com/1192036

https://bugzilla.suse.com/1193529

https://bugzilla.suse.com/1194737

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2022:0270-1
Rating: important

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