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SUSE: 2022:1172-1 Important: Kernel Live Patch Critical Buffer Overflow

suse
Calendar Grey April 12, 2022
Dist Suse Esm H88
An important security patch for the Linux Kernel has been released to address significant vulnerabilities and improve system defenses.
An update that fixes two vulnerabilities is now available

Summary

This update for the Linux Kernel 4.12.14-197_102 fixes several issues. The following security issues were fixed: - CVE-2022-27666: Fixed a buffer overflow vulnerability in IPsec ESP transformation code. This flaw allowed a local attacker with a normal user privilege to overwrite kernel heap objects and may cause a local privilege escalation. (bnc#1197462) - CVE-2022-22942: Fixed stale file descriptors on failed usercopy. (bsc#1195065) 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-SP1:

Topics%20covered

Topics Covered

security advisory buffer overflow kernel update privilege escalation SUSE SLE live patch

References

#1195951 #1197133

Cross- CVE-2022-22942 CVE-2022-27666

CVSS scores:

CVE-2022-22942 (SUSE): 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2022-27666 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2022-27666 (SUSE): 7.7 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Affected Products:

SUSE Linux Enterprise High Performance Computing 15-SP1

SUSE Linux Enterprise Module for Live Patching 15-SP1

SUSE Linux Enterprise Server 15-SP1

SUSE Linux Enterprise Server for SAP Applications 15-SP1

https://www.suse.com/security/cve/CVE-2022-22942.html

https://www.suse.com/security/cve/CVE-2022-27666.html

https://bugzilla.suse.com/1195951

https://bugzilla.suse.com/1197133

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2022:1172-1
Rating: important

Topics%20covered

Topics Covered

security advisory buffer overflow kernel update privilege escalation SUSE SLE live patch

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