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SUSE: 2022:0242-1 Important: Fix for Linux Kernel Buffer Overflow

suse
Calendar Grey January 31, 2022
Dist Suse Esm H88
SUSE Security Update: Addresses flaw in firewire buffer management in Linux Kernel for SLE 12 SP5, classified as high priority.
An update that fixes one vulnerability is now available

Summary

This update for the Linux Kernel 4.12.14-122_91 fixes one issue. The following security issue was fixed: - CVE-2021-42739: The firewire subsystem had a buffer overflow related to drivers/media/firewire/firedtv-avc.c and drivers/media/firewire/firedtv-ci.c, because avc_ca_pmt mishandled bounds checking (bsc#1184673). 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 Live Patching 12-SP5: zypper in -t patch SUSE-SLE-Live-Patching-12-SP5-2022-242=1 Package List: - SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le s390x x86_64): kgraft-patch-4_12_14-122_91-default-4-2.2

Topics%20covered

Topics Covered

security advisory buffer overflow SUSE important update Linux Kernel live patching

References

#1192036

Cross- CVE-2021-42739

CVSS scores:

CVE-2021-42739 (SUSE): 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Products:

SUSE Linux Enterprise Live Patching 12-SP5

https://www.suse.com/security/cve/CVE-2021-42739.html

https://bugzilla.suse.com/1192036

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2022:0242-1
Rating: important

Topics%20covered

Topics Covered

security advisory buffer overflow SUSE important update Linux Kernel live patching

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