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SUSE: 2021:2460-1 Important: Kernel Escalation Issue in Live Patch

suse
Calendar Grey July 23, 2021
Dist Suse Esm H88
SUSE Security Notice: Critical update addressing kernel privilege escalation vulnerabilities in Live Patch 17 for SLE 12 SP5.
An update that fixes one vulnerability is now available

Summary

This update for the Linux Kernel 4.12.14-122_66 fixes one issue. The following security issue was fixed: - CVE-2021-23133: Fixed a race condition in the SCTP sockets that can lead to kernel privilege escalation from the context of a network service or an unprivileged process. (bsc#1185901) 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-SP5-2021-2460=1 Package List: - SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le s390x x86_64): kgraft-patch-4_12_14-122_66-default-4-2.2

Topics%20covered

Topics Covered

security advisory privilege escalation important SUSE kernel issue network service live patching

References

#1185901

Cross- CVE-2021-23133

CVSS scores:

CVE-2021-23133 (NVD) : 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2021-23133 (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 Live Patching 12-SP5

https://www.suse.com/security/cve/CVE-2021-23133.html

https://bugzilla.suse.com/1185901

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2021:2460-1
Rating: important

Topics%20covered

Topics Covered

security advisory privilege escalation important SUSE kernel issue network service live patching

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