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SUSE: 2022:2230-1 Important: Kernel Live Patch Critical Buffer Overflow

suse
Calendar Grey July 1, 2022
Dist Suse Esm H88
Significant announcement regarding SUSE Linux Kernel addresses several vulnerabilities, particularly concerning privilege elevation and potential memory corruption threats.
An update that fixes four vulnerabilities is now available

Summary

This update for the Linux Kernel 5.3.18-150200_24_112 fixes several issues. The following security issues were fixed: - CVE-2022-32250: Fixed an use-after-free bug in the netfilter subsystem. This flaw allowed a local attacker with user access to cause a privilege escalation issue. (bnc#1200015) - 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-2022-1734: Fixed a r/w use-after-free when non synchronized between cleanup routine and firmware download routine. (bnc#1199605) Patch Instructions: To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

Topics%20covered

Topics Covered

security advisory critical issue privilege escalation memory corruption kernel patch SUSE live patching

References

#1199606 #1199648 #1200268

Cross- CVE-2022-1116 CVE-2022-1734 CVE-2022-1966

CVE-2022-32250

CVSS scores:

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

CVE-2022-1734 (NVD) : 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2022-1734 (SUSE): 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVE-2022-1966 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2022-1966 (SUSE): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2022-32250 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2022-32250 (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

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2022:2230-1
Rating: important

Topics%20covered

Topics Covered

security advisory critical issue privilege escalation memory corruption kernel patch SUSE live patching

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