SUSE Security Update: Security update for the Linux Kernel (Live Patch 23 for SLE 15 SP3)
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Announcement ID:    SUSE-SU-2022:4034-1
Rating:             important
References:         #1203613 #1204170 #1204289 
Cross-References:   CVE-2022-2588 CVE-2022-42703 CVE-2022-42722
                   
CVSS scores:
                    CVE-2022-2588 (SUSE): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
                    CVE-2022-42703 (NVD) : 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
                    CVE-2022-42703 (SUSE): 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
                    CVE-2022-42722 (NVD) : 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
                    CVE-2022-42722 (SUSE): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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
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   An update that fixes three vulnerabilities is now available.

Description:

   This update for the Linux Kernel 5.3.18-150300_59_90 fixes several issues.

   The following security issues were fixed:

   - CVE-2022-2588: Fixed use-after-free in cls_route (bsc#1202096).
   - CVE-2022-42703: Fixed use-after-free in mm/rmap.c related to leaf
     anon_vma double reuse (bnc#1204168).
   - CVE-2022-42722: Fixed crash in beacon protection for P2P-device.
     (bsc#1204125)


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:

      zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP3-2022-4034=1



Package List:

   - SUSE Linux Enterprise Module for Live Patching 15-SP3 (ppc64le s390x x86_64):

      kernel-livepatch-5_3_18-150300_59_90-default-5-150300.2.1


References:

   https://www.suse.com/security/cve/CVE-2022-2588.html
   https://www.suse.com/security/cve/CVE-2022-42703.html
   https://www.suse.com/security/cve/CVE-2022-42722.html
   https://bugzilla.suse.com/1203613
   https://bugzilla.suse.com/1204170
   https://bugzilla.suse.com/1204289