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SUSE 15 SP2: SUSE-SU-2021:2387-1 Important Security Update

suse
Calendar Grey July 16, 2021
Dist Suse Esm H88
Major SUSE Security Patch released, targeting critical Linux Kernel vulnerabilities, reinforcing system reliability and safeguarding against potential threats.
An update that fixes two vulnerabilities is now available

Summary

This update for the Linux Kernel 5.3.18-24_34 fixes several issues. The following security issues were fixed: - CVE-2021-0512: Fixed a possible out-of-bounds write which could lead to local escalation of privilege with no additional execution privileges needed. (bsc#1187597) - 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 Module for Live Patching 15-SP2:

Topics%20covered

Topics Covered

security advisory privilege escalation important kernel out-of-bounds live patch sle 15 sp2

References

#1185901 #1187597

Cross- CVE-2021-0512 CVE-2021-23133

CVSS scores:

CVE-2021-0512 (SUSE): 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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 Module for Live Patching 15-SP2

https://www.suse.com/security/cve/CVE-2021-0512.html

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

https://bugzilla.suse.com/1185901

https://bugzilla.suse.com/1187597

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2021:2387-1
Rating: important

Topics%20covered

Topics Covered

security advisory privilege escalation important kernel out-of-bounds live patch sle 15 sp2

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