Operating System:

[SUSE]

Published:

29 August 2019

Protect yourself against future threats.

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.3268
         SUSE-SU-2019:2232-1 Security update for the Linux Kernel
                       (Live Patch 2 for SLE 15 SP1)
                              29 August 2019

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           kernel
Publisher:         SUSE
Operating System:  SUSE
Impact/Access:     Root Compromise        -- Existing Account
                   Access Privileged Data -- Existing Account
                   Denial of Service      -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-13233  

Reference:         ESB-2019.3107
                   ESB-2019.3048
                   ESB-2019.2626

Original Bulletin: 
   https://www.suse.com/support/update/announcement/2019/suse-su-20192232-1.html

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SUSE Security Update: Security update for the Linux Kernel (Live Patch 2 for
SLE 15 SP1)

______________________________________________________________________________

Announcement ID:   SUSE-SU-2019:2232-1
Rating:            important
References:        #1144502
Cross-References:  CVE-2019-13233
Affected Products:
                   SUSE Linux Enterprise Module for Live Patching 15-SP1
______________________________________________________________________________


An update that fixes one vulnerability is now available.

Description:

This update for the Linux Kernel 4.12.14-197_7 fixes one issue.
The following security issue was fixed:

  o CVE-2019-13233: Fixed use-after-free for access to an LDT entry caused by a
    race condition between modify_ldt() and a #BR exception for an MPX bounds
    violation (bsc#1140454).

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:

  o SUSE Linux Enterprise Module for Live Patching 15-SP1:
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP1-2019-2232=1
    SUSE-SLE-Module-Live-Patching-15-SP1-2019-2233=1
    SUSE-SLE-Module-Live-Patching-15-SP1-2019-2235=1

Package List:

  o SUSE Linux Enterprise Module for Live Patching 15-SP1 (ppc64le x86_64):
       kernel-livepatch-4_12_14-195-default-5-13.2
       kernel-livepatch-4_12_14-197_4-default-4-2.1
       kernel-livepatch-4_12_14-197_7-default-3-2.1

References:

  o https://www.suse.com/security/cve/CVE-2019-13233.html
  o https://bugzilla.suse.com/1144502

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===========================================================================
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