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SUSE: 2022:3064-1 Important: Kernel Off-Path Attack Security Update

suse
Calendar Grey September 5, 2022
Dist Suse Esm H88
This crucial SUSE patch rectifies an off-path exploit weakness found in the Linux Kernel Live Patch for SLE 15 SP1.
An update that fixes one vulnerability is now available

Summary

This update for the Linux Kernel 4.12.14-150100_197_120 fixes one issue. The following security issue was 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). 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-SP1: zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP1-2022-3064=1 - SUSE Linux Enterprise Module for Live Patching 15: zypper in -t patch SUSE-SLE-Module-Live-Patching-15-2022-3057=1

Topics%20covered

Topics Covered

security advisory important kernel fix SUSE release live patch off-path attack

References

#1196867

Cross- CVE-2020-36516

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

Affected Products:

SUSE Linux Enterprise High Performance Computing 15

SUSE Linux Enterprise High Performance Computing 15-SP1

SUSE Linux Enterprise Live Patching 12-SP5

SUSE Linux Enterprise Module for Live Patching 15

SUSE Linux Enterprise Module for Live Patching 15-SP1

SUSE Linux Enterprise Server 15

SUSE Linux Enterprise Server 15-SP1

SUSE Linux Enterprise Server for SAP Applications 15

SUSE Linux Enterprise Server for SAP Applications 15-SP1

https://www.suse.com/security/cve/CVE-2020-36516.html

https://bugzilla.suse.com/1196867

Severity
important
Lowest
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Medium
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Announcement ID: SUSE-SU-2022:3064-1
Rating: important

Topics%20covered

Topics Covered

security advisory important kernel fix SUSE release live patch off-path attack

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