SUSE Security Update: Security update for the Linux Kernel (Live Patch 29 for SLE 15)
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Announcement ID:    SUSE-SU-2022:1598-1
Rating:             important
References:         #1197211 #1197344 
Cross-References:   CVE-2021-39713 CVE-2022-1011
CVSS scores:
                    CVE-2021-39713 (NVD) : 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
                    CVE-2021-39713 (SUSE): 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
                    CVE-2022-1011 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
                    CVE-2022-1011 (SUSE): 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products:
                    SUSE Linux Enterprise High Performance Computing 15
                    SUSE Linux Enterprise Live Patching 12-SP4
                    SUSE Linux Enterprise Module for Live Patching 15
                    SUSE Linux Enterprise Server 15
                    SUSE Linux Enterprise Server for SAP Applications 15
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   An update that fixes two vulnerabilities is now available.

Description:

   This update for the Linux Kernel 4.12.14-150000_150_89 fixes several
   issues.

   The following security issues were fixed:

   - CVE-2021-39713: Fixed a race condition in the network scheduling
     subsystem which could lead to a use-after-free. (bsc#1197211)
   - CVE-2022-1011: A use-after-free flaw was found in the FUSE filesystem in
     the way a user triggers write(). This flaw allowed a local user to gain
     unauthorized access to data from the FUSE filesystem, resulting in
     privilege escalation. (bsc#1197344)


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:

      zypper in -t patch SUSE-SLE-Module-Live-Patching-15-2022-1609=1

   - SUSE Linux Enterprise Live Patching 12-SP4:

      zypper in -t patch SUSE-SLE-Live-Patching-12-SP4-2022-1598=1



Package List:

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

      kernel-livepatch-4_12_14-150000_150_89-default-2-150000.2.1
      kernel-livepatch-4_12_14-150000_150_89-default-debuginfo-2-150000.2.1

   - SUSE Linux Enterprise Live Patching 12-SP4 (ppc64le s390x x86_64):

      kgraft-patch-4_12_14-95_96-default-2-2.1


References:

   https://www.suse.com/security/cve/CVE-2021-39713.html
   https://www.suse.com/security/cve/CVE-2022-1011.html
   https://bugzilla.suse.com/1197211
   https://bugzilla.suse.com/1197344