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SUSE: 2021:0386-1 Important Kernel Live Patch and Security Issues

suse
Calendar Grey February 10, 2021
Dist Suse Esm H88
SUSE Security Advisory: Critical update for Linux Kernel addresses significant vulnerabilities in Live Patch 14 for SLE 12 SP5.
An update that fixes two vulnerabilities is now available

Summary

This update for the Linux Kernel 4.12.14-122_57 fixes several issues. The following security issues were fixed: - CVE-2020-29569: Fixed a use after free due to a logic error (bsc#1180008). - CVE-2020-29368: Fixed an issue in copy-on-write implementation which could grant unintended write access because of a race condition in a THP mapcount check (bsc#1179664). 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-SP1: zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP1-2021-369=1 - SUSE Linux Enterprise Live Patching 12-SP5: zypper in -t patch SUSE-SLE-Live-Patching-12-SP5-2021-386=1

Topics%20covered

Topics Covered

security advisory security issue kernel patch important system update SUSE live patching

References

#1179664 #1180008

Cross- CVE-2020-29368 CVE-2020-29569

CVSS scores:

CVE-2020-29368 (NVD) : 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2020-29368 (SUSE): 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2020-29569 (NVD) : 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CVE-2020-29569 (SUSE): 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected Products:

SUSE Linux Enterprise Module for Live Patching 15-SP1

SUSE Linux Enterprise Live Patching 12-SP5

https://www.suse.com/security/cve/CVE-2020-29368.html

https://www.suse.com/security/cve/CVE-2020-29569.html

https://bugzilla.suse.com/1179664

https://bugzilla.suse.com/1180008

Severity
important
Lowest
Low
Medium
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Critical

Announcement ID: SUSE-SU-2021:0386-1
Rating: important

Topics%20covered

Topics Covered

security advisory security issue kernel patch important system update SUSE live patching

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