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SUSE 15 SP3: 2022:0456-1 Urgent Fix: Kernel Live Update

suse
Calendar Grey February 16, 2022
Dist Suse Esm H88
Red Hat Security Update resolves significant vulnerabilities in the Linux Kernel for RHEL 8 with essential patches issued immediately.
An update that fixes two vulnerabilities is now available

Summary

This update for the Linux Kernel 5.3.18-59_40 fixes several issues. The following security issues were fixed: - CVE-2022-0435: Fixed remote stack overflow in net/tipc module that validate domain record count on input (bsc#1195308). - CVE-2021-4083: Fixed a read-after-free memory flaw inside the garbage collection for Unix domain socket file handlers when users call close() and fget() simultaneouslyand can potentially trigger a race condition (bnc#1194460). 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-SP3: zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP3-2022-436=1 Package List:

Topics%20covered

Topics Covered

security advisory critical kernel patch SUSE remote overflow live patching SLE 15 SP3

References

#1194460 #1195308

Cross- CVE-2021-4083 CVE-2022-0435

CVSS scores:

CVE-2021-4083 (SUSE): 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVE-2022-0435 (SUSE): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Products:

SUSE Linux Enterprise High Performance Computing 15-SP3

SUSE Linux Enterprise Micro 5.1

SUSE Linux Enterprise Module for Live Patching 15-SP3

SUSE Linux Enterprise Server 15-SP3

SUSE Linux Enterprise Server for SAP Applications 15-SP3

https://www.suse.com/security/cve/CVE-2021-4083.html

https://www.suse.com/security/cve/CVE-2022-0435.html

https://bugzilla.suse.com/1194460

https://bugzilla.suse.com/1195308

Severity
critical
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2022:0436-1
Rating: critical

Topics%20covered

Topics Covered

security advisory critical kernel patch SUSE remote overflow live patching SLE 15 SP3

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