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SUSE: 2022:1598-1 Important: Kernel Live Patch Privilege Escalation

suse
Calendar Grey May 10, 2022
Dist Suse Esm H88
Essential SUSE Linux kernel patch addresses significant security flaws in Live Patch 29 for SLE 15.
An update that fixes two vulnerabilities is now available

Summary

This update for the Linux Kernel 4.12.14-150000_150_89 fixes several issues. The following security issues were fixed: - CVE-2021-39713: Fixed a race condition in the network scheduling subsystem which could lead to a use-after-free. (bsc#1197211) - CVE-2022-1011: A use-after-free flaw was found in the FUSE filesystem in the way a user triggers write(). This flaw allowed a local user to gain unauthorized access to data from the FUSE filesystem, resulting in privilege escalation. (bsc#1197344) 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:

Topics%20covered

Topics Covered

security advisory privilege escalation important SUSE Linux live patch

References

#1197211 #1197344

Cross- CVE-2021-39713 CVE-2022-1011

CVSS scores:

CVE-2021-39713 (NVD) : 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVE-2021-39713 (SUSE): 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVE-2022-1011 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2022-1011 (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 High Performance Computing 15

SUSE Linux Enterprise Live Patching 12-SP4

SUSE Linux Enterprise Module for Live Patching 15

SUSE Linux Enterprise Server 15

SUSE Linux Enterprise Server for SAP Applications 15

https://www.suse.com/security/cve/CVE-2021-39713.html

https://www.suse.com/security/cve/CVE-2022-1011.html

https://bugzilla.suse.com/1197211

Severity
important
Lowest
Low
Medium
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Critical

Announcement ID: SUSE-SU-2022:1598-1
Rating: important

Topics%20covered

Topics Covered

security advisory privilege escalation important SUSE Linux live patch

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