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SUSE: 2022:3088-1 Important: Linux Kernel Update for SLE 15 SP2

suse
Calendar Grey September 6, 2022
Dist Suse Esm H88
Significant security enhancements for the SUSE Linux Kernel Live Patch 29 tackle severe vulnerabilities, bolstering system robustness.
An update that fixes two vulnerabilities is now available

Summary

This update for the Linux Kernel 5.3.18-150200_24_126 fixes several issues. The following security issues were fixed: - CVE-2020-36516: Fixed an off-path attack via mixed IPID assignment method with the hash-based IPID assignment policy to inject data into a victim's TCP session or terminate that session (bsc#1196867). - CVE-2022-1116: Fixed integer overflow or wraparound vulnerability in io_uring, where a local attacker could have caused memory corruption and escalate privileges to root (bsc#1199648). 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 kernel update memory corruption SUSE TCP attack

References

#1196867 #1199648

Cross- CVE-2020-36516 CVE-2022-1116

CVSS scores:

CVE-2020-36516 (NVD) : 5.9 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:L

CVE-2020-36516 (SUSE): 8.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/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-2020-36516.html

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

https://bugzilla.suse.com/1196867

https://bugzilla.suse.com/1199648

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2022:3088-1
Rating: important

Topics%20covered

Topics Covered

security advisory kernel update memory corruption SUSE TCP attack

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