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SUSE Linux Enterprise 15 SP2: 2021:3737-1 Important: Kernel Fixes

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Calendar Grey November 19, 2021
Scroller Suse
SUSE Security Patch addresses severe vulnerabilities in Linux Kernel (Live Patch 10 for SLE 15 SP2) featuring significant enhancements.
An update that fixes two vulnerabilities is now available

Summary

This update for the Linux Kernel 5.3.18-24_49 fixes several issues. The following security issues were fixed: - CVE-2021-3752: Fixed vulnerability in the linux kernel Bluetooth uaf module (bsc#1190432). - CVE-2021-41864: Fixed an integer overflow with a resultant out-of-bounds write in prealloc_elems_and_freelist in kernel/bpf/stackmap.c (bsc#1191318). 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: zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP2-2021-3737=1 Package List: - SUSE Linux Enterprise Module for Live Patching 15-SP2 (ppc64le s390x x86_64):

Topics%20covered

Topics Covered

security advisory critical integer overflow SUSE Bluetooth Linux Kernel live patch

References

#1190432 #1191318

Cross- CVE-2021-3752 CVE-2021-41864

CVSS scores:

CVE-2021-3752 (SUSE): 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVE-2021-41864 (SUSE): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products:

SUSE Linux Enterprise Module for Live Patching 15-SP2

https://www.suse.com/security/cve/CVE-2021-3752.html

https://www.suse.com/security/cve/CVE-2021-41864.html

https://bugzilla.suse.com/1190432

https://bugzilla.suse.com/1191318

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2021:3737-1
Rating: important

Topics%20covered

Topics Covered

security advisory critical integer overflow SUSE Bluetooth Linux Kernel live patch

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