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SUSE: 2022:2237-1 Important: Kernel Live Patch Memory Corruption

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Calendar Grey July 1, 2022
Scroller Suse
Essential security patch for the Linux Kernel Live Update 27 targeting memory corruption vulnerabilities and rising security risks.
An update that fixes two vulnerabilities is now available

Summary

This update for the Linux Kernel 5.3.18-150200_24_115 fixes several issues. The following security issues were fixed: - CVE-2022-1116: Fixed an integer overflow vulnerability in io_uring that allows local attacker to cause memory corruption and escalate privileges to root. (bsc#1199647) versions. - CVE-2021-39698: Fixed a possible memory corruption due to a use after free in aio_poll_complete_work. This could lead to local escalation of privilege with no additional execution privileges needed. (bsc#1196956) 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:

Topics%20covered

Topics Covered

security advisory memory corruption kernel patch important SUSE local escalation live patching

References

#1196959 #1199648

Cross- CVE-2021-39698 CVE-2022-1116

CVSS scores:

CVE-2021-39698 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2021-39698 (SUSE): 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVE-2022-1116 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2022-1116 (SUSE): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/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-2021-39698.html

https://www.suse.com/security/cve/CVE-2022-1116.html

https://bugzilla.suse.com/1196959

https://bugzilla.suse.com/1199648

Severity
important
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Announcement ID: SUSE-SU-2022:2237-1
Rating: important

Topics%20covered

Topics Covered

security advisory memory corruption kernel patch important SUSE local escalation live patching

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