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SUSE: 2022:3412-1 Important: Linux Kernel Live Patch Details

suse
Calendar Grey September 26, 2022
Dist Suse Esm H88
This patch addresses critical vulnerabilities in the Linux Kernel for SUSE 15 SP4, improving overall system integrity and resilience.
An update that fixes two vulnerabilities is now available

Summary

This update for the Linux Kernel 5.14.21-150400_24_11 fixes several issues. The following security issues were fixed: - CVE-2022-29581: Fixed an improper Update of Reference Count vulnerability in net/sched that causes privilege escalation to root (bsc#1199695). - CVE-2022-39188: Fixed a race condition between unmap_mapping_range() and munmap() on VM_PFNMAP mappings leads to stale TLB entry (bsc#1203116). 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-SP4: zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2022-3412=1 - SUSE Linux Enterprise Live Patching 12-SP5:

Topics%20covered

Topics Covered

security advisory update privilege escalation important race condition suse linux kernel

References

#1199695 #1203116

Cross- CVE-2022-29581 CVE-2022-39188

CVSS scores:

CVE-2022-29581 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2022-29581 (SUSE): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2022-39188 (NVD) : 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

CVE-2022-39188 (SUSE): 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products:

SUSE Linux Enterprise High Performance Computing 15-SP4

SUSE Linux Enterprise Live Patching 12-SP5

SUSE Linux Enterprise Module for Live Patching 15-SP4

SUSE Linux Enterprise Server 15-SP4

SUSE Linux Enterprise Server for SAP Applications 15-SP4

https://www.suse.com/security/cve/CVE-2022-29581.html

https://www.suse.com/security/cve/CVE-2022-39188.html

https://bugzilla.suse.com/1199695

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2022:3412-1
Rating: important

Topics%20covered

Topics Covered

security advisory update privilege escalation important race condition suse linux kernel

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