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SUSE: 2022:4112-1 Critical: Linux Kernel Live Patch for SLE 15 SP1

suse
Calendar Grey November 18, 2022
Dist Suse Esm H88
An important patch for SUSE Linux Kernel resolves several problems affecting SLE 15 SP1 users. Discover additional details regarding the resolution!
An update that solves three vulnerabilities and has one errata is now available

Summary

This update for the Linux Kernel 4.12.14-150100_197_114 fixes several issues. The following security issues were fixed: - CVE-2021-33655: Fixed out of bounds write with ioctl FBIOPUT_VSCREENINFO (bnc#1201635). - CVE-2022-2588: Fixed use-after-free in cls_route (bsc#1202096). - CVE-2022-42703: Fixed use-after-free in mm/rmap.c related to leaf anon_vma double reuse (bnc#1204168). - Fixed incorrect handling of empty arguments array in execve() (bsc#1200571). 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-SP2:

Topics%20covered

Topics Covered

security advisory buffer overflow critical update kernel SUSE use-after-free live patching

References

#1202087 #1203613 #1204170 #1204381

Cross- CVE-2021-33655 CVE-2022-2588 CVE-2022-42703

CVSS scores:

CVE-2021-33655 (NVD) : 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVE-2021-33655 (SUSE): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2022-2588 (SUSE): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2022-42703 (NVD) : 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVE-2022-42703 (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-SP1

SUSE Linux Enterprise High Performance Computing 15-SP2

SUSE Linux Enterprise Live Patching 12-SP4

SUSE Linux Enterprise Live Patching 12-SP5

SUSE Linux Enterprise Module for Live Patching 15-SP1

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2022:4112-1
Rating: important

Topics%20covered

Topics Covered

security advisory buffer overflow critical update kernel SUSE use-after-free live patching

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