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SUSE: 2022:4542-2 Urgent: Kernel Live Patch Resolves Major Vulnerabilities

suse
Calendar Grey December 18, 2022
Dist Suse Esm H88
Resolve essential kernel vulnerabilities with the recent SUSE update for Live Patch 5 on SLE 15 SP4 and enhance overall system reliability.
An update that fixes four vulnerabilities is now available

Summary

This update for the Linux Kernel 5.14.21-150400_24_33 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). - CVE-2021-39698: Fixed a use-after-free in aio_poll_complete_work of aio.c (bsc#1196956). 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:

Topics%20covered

Topics Covered

security advisory buffer overflow kernel patch important SUSE stack overflow live patching

References

#1196959 #1205130 #1205815 #1206228

Cross- CVE-2021-39698 CVE-2022-4139 CVE-2022-4378

CVE-2022-43945

CVSS scores:

CVE-2021-39698 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2021-39698 (SUSE): 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

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-SP4

SUSE Linux Enterprise Module for Live Patching 15-SP4

SUSE Linux Enterprise Server 15-SP4

SUSE Linux Enterprise Server for SAP Applications 15-SP4

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2022:4542-1
Rating: important

Topics%20covered

Topics Covered

security advisory buffer overflow kernel patch important SUSE stack overflow live patching

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