SUSE-SU-2020:1656-1: important: Security update for the Linux Kernel (Live Patch 1 for SLE 15 SP1)

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

   SUSE Security Update: Security update for the Linux Kernel (Live Patch 1 for SLE 15 SP1)
______________________________________________________________________________

Announcement ID:    SUSE-SU-2020:1656-1
Rating:             important
References:         #1144502 #1171746 #1172140 #1172437 
Cross-References:   CVE-2018-1000199 CVE-2019-15666 CVE-2020-10757
                    CVE-2020-13233
Affected Products:
                    SUSE Linux Enterprise Module for Live Patching 15-SP1
______________________________________________________________________________

   An update that fixes four vulnerabilities is now available.

Description:

   This update for the Linux Kernel 4.12.14-197_4 fixes several issues.

   The following security issues were fixed:

   - CVE-2019-13233: Fixed a race condition between modify_ldt() and a #BR
     exception for an MPX bounds violation (bsc#1144502).
   - CVE-2020-10757: Fixed an issue where remaping hugepage DAX to anon mmap
     could have caused user PTE access (bsc#1172437).
   - CVE-2019-15666: Fixed an out of bounds read __xfrm_policy_unlink, which
     could have led to denial of service (bsc#1172140).
   - CVE-2018-1000199: Fixed a potential local code execution via ptrace
     (bsc#1171746).


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-SP1-2020-1654=1 SUSE-SLE-Module-Live-Patching-15-SP1-2020-1655=1 SUSE-SLE-Module-Live-Patching-15-SP1-2020-1656=1



Package List:

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

      kernel-livepatch-4_12_14-195-default-12-34.1
      kernel-livepatch-4_12_14-197_4-default-11-2.1
      kernel-livepatch-4_12_14-197_7-default-10-2.1


References:

   https://www.suse.com/security/cve/CVE-2018-1000199.html
   https://www.suse.com/security/cve/CVE-2019-15666.html
   https://www.suse.com/security/cve/CVE-2020-10757.html
   https://www.suse.com/security/cve/CVE-2020-13233.html
   https://bugzilla.suse.com/1144502
   https://bugzilla.suse.com/1171746
   https://bugzilla.suse.com/1172140
   https://bugzilla.suse.com/1172437