SUSE-SU-2021:1870-1: important: Security update for the Linux Kernel (Live Patch 37 for SLE 12 SP3)

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Fri Jun 4 16:19:21 UTC 2021


   SUSE Security Update: Security update for the Linux Kernel (Live Patch 37 for SLE 12 SP3)
______________________________________________________________________________

Announcement ID:    SUSE-SU-2021:1870-1
Rating:             important
References:         #1184710 #1184952 
Cross-References:   CVE-2020-36322 CVE-2021-29154
CVSS scores:
                    CVE-2020-36322 (SUSE): 7.7 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
                    CVE-2021-29154 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
                    CVE-2021-29154 (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 Server for SAP 12-SP3
                    SUSE Linux Enterprise Server 12-SP3-LTSS
______________________________________________________________________________

   An update that fixes two vulnerabilities is now available.

Description:

   This update for the Linux Kernel 4.4.180-94_138 fixes several issues.

   The following security issues were fixed:

   - CVE-2020-36322: Fixed an issue inside the FUSE filesystem implementation
     where fuse_do_getattr() calls make_bad_inode() in inappropriate
     situations, could have caused a system crash. NOTE: the original fix for
     this vulnerability was incomplete, and its incompleteness is tracked as
     CVE-2021-28950 (bsc#1184952).
   - CVE-2021-29154: Fixed BPF JIT compilers that allowed to execute
     arbitrary code within the kernel context (bsc#1184710)


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 Server for SAP 12-SP3:

      zypper in -t patch SUSE-SLE-SAP-12-SP3-2021-1869=1 SUSE-SLE-SAP-12-SP3-2021-1870=1

   - SUSE Linux Enterprise Server 12-SP3-LTSS:

      zypper in -t patch SUSE-SLE-SERVER-12-SP3-2021-1869=1 SUSE-SLE-SERVER-12-SP3-2021-1870=1



Package List:

   - SUSE Linux Enterprise Server for SAP 12-SP3 (ppc64le x86_64):

      kgraft-patch-4_4_180-94_138-default-5-2.2
      kgraft-patch-4_4_180-94_138-default-debuginfo-5-2.2
      kgraft-patch-4_4_180-94_141-default-4-2.2
      kgraft-patch-4_4_180-94_141-default-debuginfo-4-2.2

   - SUSE Linux Enterprise Server 12-SP3-LTSS (ppc64le x86_64):

      kgraft-patch-4_4_180-94_138-default-5-2.2
      kgraft-patch-4_4_180-94_138-default-debuginfo-5-2.2
      kgraft-patch-4_4_180-94_141-default-4-2.2
      kgraft-patch-4_4_180-94_141-default-debuginfo-4-2.2


References:

   https://www.suse.com/security/cve/CVE-2020-36322.html
   https://www.suse.com/security/cve/CVE-2021-29154.html
   https://bugzilla.suse.com/1184710
   https://bugzilla.suse.com/1184952



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