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SUSE: 2021:1715-1 Important: Kernel Live Patch for System Security

suse
Calendar Grey May 25, 2021
Scroller Suse
SUSE has released a Security Update for the Linux Kernel, which fixes significant vulnerabilities that could lead to potential system failures and unauthorized code execution.
An update that fixes two vulnerabilities is now available

Summary

This update for the Linux Kernel 4.12.14-197_86 fixes several issues. The following security issues were fixed: - CVE-2020-36322: Fixed an issue inside the FUSE filesystem implementation where fuse_do_getattr() calls make_bad_inode() in inappropriate situations, could have caused a system crash. NOTE: the original fix for this vulnerability was incomplete, and its incompleteness is tracked as CVE-2021-28950 (bsc#1184952). - CVE-2021-29154: Fixed BPF JIT compilers that allowed to execute arbitrary code within the kernel context (bsc#1184710) 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:

Topics%20covered

Topics Covered

security advisory code execution kernel SUSE system crash

References

#1184710 #1184952

Cross- CVE-2020-36322 CVE-2021-29154

CVSS scores:

CVE-2020-36322 (SUSE): 7.7 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

CVE-2021-29154 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2021-29154 (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

SUSE Linux Enterprise Module for Live Patching 15-SP1

SUSE Linux Enterprise Live Patching 12-SP5

SUSE Linux Enterprise Live Patching 12-SP4

https://www.suse.com/security/cve/CVE-2020-36322.html

https://www.suse.com/security/cve/CVE-2021-29154.html

https://bugzilla.suse.com/1184710

https://bugzilla.suse.com/1184952

Severity
important
Lowest
Low
Medium
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Critical

Announcement ID: SUSE-SU-2021:1715-1
Rating: important

Topics%20covered

Topics Covered

security advisory code execution kernel SUSE system crash

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