SUSE Security Update: Security update for the Linux Kernel (Live Patch 33 for SLE 15 SP1)
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Announcement ID:    SUSE-SU-2022:3064-1
Rating:             important
References:         #1196867 
Cross-References:   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
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   An update that fixes one vulnerability is now available.

Description:

   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

   - SUSE Linux Enterprise Live Patching 12-SP5:

      zypper in -t patch SUSE-SLE-Live-Patching-12-SP5-2022-3051=1



Package List:

   - SUSE Linux Enterprise Module for Live Patching 15-SP1 (ppc64le x86_64):

      kernel-livepatch-4_12_14-150100_197_120-default-2-150100.2.1

   - SUSE Linux Enterprise Module for Live Patching 15 (ppc64le x86_64):

      kernel-livepatch-4_12_14-150000_150_98-default-2-150000.2.1
      kernel-livepatch-4_12_14-150000_150_98-default-debuginfo-2-150000.2.1

   - SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le s390x x86_64):

      kgraft-patch-4_12_14-122_130-default-2-2.2


References:

   https://www.suse.com/security/cve/CVE-2020-36516.html
   https://bugzilla.suse.com/1196867