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SUSE: 2022:2761-1 important: Kernel Live Patch 22 for SLE 15 SP3

suse
Calendar Grey August 10, 2022
Dist Suse Esm H88
SUSE has released a Security Update targeting significant vulnerabilities in the Linux Kernel (Live Patch 22 for SLE 15 SP3), aimed at reducing the risk of privilege escalations.
An update that fixes two vulnerabilities is now available

Summary

This update for the Linux Kernel 5.3.18-150300_59_87 fixes several issues. The following security issues were fixed: - CVE-2022-1116: Fixed a integer overflow vulnerability in io_uring which allowed a local attacker to cause memory corruption and escalate privileges to root (bnc#1199647). - 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-SP3:

Topics%20covered

Topics Covered

security advisory privilege escalation memory corruption kernel patch important SUSE live patch

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-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-2021-39698.html

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

https://bugzilla.suse.com/1196959

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2022:2761-1
Rating: important

Topics%20covered

Topics Covered

security advisory privilege escalation memory corruption kernel patch important SUSE live patch

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