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SUSE Linux 12 SP5: 2021:3692-1 Important: Local Escalation Threat Fix

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Calendar Grey November 17, 2021
Scroller Suse
The latest patch addresses significant vulnerabilities within the Linux Kernel for SUSE Live Patching, promoting improved security measures and system reliability.
An update that fixes two vulnerabilities is now available

Summary

This update for the Linux Kernel 4.12.14-122_91 fixes several issues. The following security issues were fixed: - CVE-2021-0935: Fixed use after free that could lead to local escalation of privilege in ip6_xmit of ip6_output.c (bsc#1192042). - 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 Live Patching 12-SP5: zypper in -t patch SUSE-SLE-Live-Patching-12-SP5-2021-3692=1 Package List: - SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le s390x x86_64):

References

#1191318 #1192042

Cross- CVE-2021-0935 CVE-2021-41864

CVSS scores:

CVE-2021-0935 (SUSE): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/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 Live Patching 12-SP5

https://www.suse.com/security/cve/CVE-2021-0935.html

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

https://bugzilla.suse.com/1191318

https://bugzilla.suse.com/1192042

Severity
important
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Announcement ID: SUSE-SU-2021:3692-1
Rating: important

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