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Alerts This Week
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SUSE: 2021:1870-1 Important: Kernel Update Addresses System Crash

suse
Calendar Grey June 4, 2021
Scroller Suse
SUSE Security Bulletin for Linux Kernel resolves multiple high-priority vulnerabilities, bolstering both performance and defense mechanisms.
An update that fixes two vulnerabilities is now available

Summary

This update for the Linux Kernel 4.4.180-94_138 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: - SUSE Linux Enterprise Server for SAP 12-SP3:

Topics%20covered

Topics Covered

security advisory kernel patch important SUSE system crash BPF compiler SLE 12 SP3

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 Server for SAP 12-SP3

SUSE Linux Enterprise Server 12-SP3-LTSS

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
High
Critical

Announcement ID: SUSE-SU-2021:1870-1
Rating: important

Topics%20covered

Topics Covered

security advisory kernel patch important SUSE system crash BPF compiler SLE 12 SP3

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