SUSE-SU-2021:1733-1: important: Security update for the Linux Kernel (Live Patch 17 for SLE 12 SP5)

[sle-security-updates at lists.suse.com]

   SUSE Security Update: Security update for the Linux Kernel (Live Patch 17 for SLE 12 SP5)
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Announcement ID:    SUSE-SU-2021:1733-1
Rating:             important
References:         #1184171 #1184952 
Cross-References:   CVE-2020-36322 CVE-2021-3444
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-2021-3444 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
                    CVE-2021-3444 (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 Live Patching 12-SP5
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   An update that fixes two vulnerabilities is now available.

Description:

   This update for the Linux Kernel 4.12.14-122_66 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-2021-3444: Fixed incorrect mod32 BPF verifier truncation
     (bsc#1184171).
   - CVE-2021-3444: Fixed incorrect mod32 BPF verifier truncation
     (bsc#1184171).


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 Live Patching 12-SP5:

      zypper in -t patch SUSE-SLE-Live-Patching-12-SP5-2021-1733=1



Package List:

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

      kgraft-patch-4_12_14-122_66-default-2-2.2


References:

   https://www.suse.com/security/cve/CVE-2020-36322.html
   https://www.suse.com/security/cve/CVE-2021-3444.html
   https://bugzilla.suse.com/1184171
   https://bugzilla.suse.com/1184952