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SUSE: 2022:1947-1 Important: Kernel Live Patch Security Update

suse
Calendar Grey June 5, 2022
Dist Suse Esm H88
A patch has been released to mitigate two critical security flaws in the Linux Kernel for SUSE Linux Enterprise Server 15 SP2.
An update that fixes two vulnerabilities is now available

Summary

This update for the Linux Kernel 5.3.18-24_107 fixes several issues. The following security issues were fixed: - CVE-2022-1048: Fixed a race Condition in snd_pcm_hw_free leading to use-after-free due to the AB/BA lock with buffer_mutex and mmap_lock (bsc#1197597). - CVE-2022-30594: Fixed restriction bypass on setting the PT_SUSPEND_SECCOMP flag (bnc#1199602). 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-SP2: zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP2-2022-1946=1 SUSE-SLE-Module-Live-Patching-15-SP2-2022-1947=1 Package List:

Topics%20covered

Topics Covered

security advisory buffer overflow important kernel SUSE Linux live patching

References

#1197597 #1199602

Cross- CVE-2022-1048 CVE-2022-30594

CVSS scores:

CVE-2022-1048 (NVD) : 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2022-1048 (SUSE): 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVE-2022-30594 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2022-30594 (SUSE): 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Products:

SUSE Linux Enterprise High Performance Computing 15-SP2

SUSE Linux Enterprise Module for Live Patching 15-SP2

SUSE Linux Enterprise Server 15-SP2

SUSE Linux Enterprise Server for SAP Applications 15-SP2

https://www.suse.com/security/cve/CVE-2022-1048.html

https://www.suse.com/security/cve/CVE-2022-30594.html

https://bugzilla.suse.com/1197597

https://bugzilla.suse.com/1199602

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2022:1947-1
Rating: important

Topics%20covered

Topics Covered

security advisory buffer overflow important kernel SUSE Linux live patching

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