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SUSE: 2022:4572-1 Critical: Linux Kernel Live Patch Fixes Multiple Issues

suse
Calendar Grey December 19, 2022
Dist Suse Esm H88
Crucial security enhancement for SUSE Linux Kernel Live Patch 26 addresses several weaknesses and provides detailed patching instructions.
An update that fixes three vulnerabilities is now available

Summary

This update for the Linux Kernel 5.3.18-150300_59_101 fixes several issues. The following security issues were fixed: - CVE-2022-43945: Fixed a buffer overflow in the NFSD implementation (bsc#1205128). - CVE-2022-4378: Fixed stack overflow in __do_proc_dointvec (bsc#1206207). - CVE-2022-4139: Fixed an issue with the i915 driver that allowed the GPU to access any physical memory (bsc#1205700). 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: zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP3-2022-4572=1 Package List:

Topics%20covered

Topics Covered

security advisory buffer overflow important stack overflow linux kernel patching guidance live patching

References

#1205130 #1205815 #1206228

Cross- CVE-2022-4139 CVE-2022-4378 CVE-2022-43945

CVSS scores:

CVE-2022-4139 (SUSE): 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2022-4378 (SUSE): 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVE-2022-43945 (NVD) : 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVE-2022-43945 (SUSE): 8.8 CVSS:3.1/AV:N/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-2022-4139.html

https://www.suse.com/security/cve/CVE-2022-4378.html

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2022:4572-1
Rating: important

Topics%20covered

Topics Covered

security advisory buffer overflow important stack overflow linux kernel patching guidance live patching

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