ESB-2018.3582 - [SUSE] kernel: Denial of service - Existing account 2018-11-16

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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.3582
        SUSE Security Update: Security update for the Linux Kernel
                      (Live Patch 32 for SLE 12 SP1)
                             16 November 2018

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

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

Product:           kernel
Publisher:         SUSE
Operating System:  SUSE
Impact/Access:     Denial of Service -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-18386  

Reference:         ESB-2018.3416
                   ESB-2018.3425
                   ESB-2018.3510

Original Bulletin: 
   https://www.suse.com/support/update/announcement/2018/suse-su-20183772-1/

- --------------------------BEGIN INCLUDED TEXT--------------------

   SUSE Security Update: Security update for the Linux Kernel (Live Patch 32 for SLE 12 SP1)
______________________________________________________________________________

Announcement ID:    SUSE-SU-2018:3772-1
Rating:             important
References:         #1112039 
Cross-References:   CVE-2018-18386
Affected Products:
                    SUSE Linux Enterprise Server 12-SP1-LTSS
                    SUSE Linux Enterprise Server 12-LTSS
______________________________________________________________________________

   An update that fixes one vulnerability is now available.

Description:

   This update for the Linux Kernel 3.12.74-60_64_107 fixes one issue.

   The following security issue was fixed:

   - CVE-2018-18386: The drivers/tty/n_tty.c allowed local attackers (who are
     able to access pseudo terminals) to hang/block further usage of any
     pseudo terminal devices due to an EXTPROC versus ICANON confusion in
     TIOCINQ (bsc#1112039).


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 12-SP1-LTSS:

      zypper in -t patch SUSE-SLE-SERVER-12-SP1-2018-2664=1 SUSE-SLE-SERVER-12-SP1-2018-2665=1 SUSE-SLE-SERVER-12-SP1-2018-2669=1 SUSE-SLE-SERVER-12-SP1-2018-2670=1 SUSE-SLE-SERVER-12-SP1-2018-2678=1 SUSE-SLE-SERVER-12-SP1-2018-2679=1 SUSE-SLE-SERVER-12-SP1-2018-2680=1 SUSE-SLE-SERVER-12-SP1-2018-2681=1 SUSE-SLE-SERVER-12-SP1-2018-2682=1 SUSE-SLE-SERVER-12-SP1-2018-2683=1

   - SUSE Linux Enterprise Server 12-LTSS:

      zypper in -t patch SUSE-SLE-SERVER-12-2018-2666=1 SUSE-SLE-SERVER-12-2018-2667=1 SUSE-SLE-SERVER-12-2018-2668=1 SUSE-SLE-SERVER-12-2018-2671=1 SUSE-SLE-SERVER-12-2018-2672=1 SUSE-SLE-SERVER-12-2018-2673=1 SUSE-SLE-SERVER-12-2018-2674=1 SUSE-SLE-SERVER-12-2018-2675=1 SUSE-SLE-SERVER-12-2018-2676=1 SUSE-SLE-SERVER-12-2018-2677=1



Package List:

   - SUSE Linux Enterprise Server 12-SP1-LTSS (x86_64):

      kgraft-patch-3_12_74-60_64_104-default-3-2.1
      kgraft-patch-3_12_74-60_64_104-xen-3-2.1
      kgraft-patch-3_12_74-60_64_107-default-3-2.1
      kgraft-patch-3_12_74-60_64_107-xen-3-2.1
      kgraft-patch-3_12_74-60_64_66-default-10-2.1
      kgraft-patch-3_12_74-60_64_66-xen-10-2.1
      kgraft-patch-3_12_74-60_64_69-default-9-2.1
      kgraft-patch-3_12_74-60_64_69-xen-9-2.1
      kgraft-patch-3_12_74-60_64_82-default-9-2.1
      kgraft-patch-3_12_74-60_64_82-xen-9-2.1
      kgraft-patch-3_12_74-60_64_85-default-9-2.1
      kgraft-patch-3_12_74-60_64_85-xen-9-2.1
      kgraft-patch-3_12_74-60_64_88-default-7-2.1
      kgraft-patch-3_12_74-60_64_88-xen-7-2.1
      kgraft-patch-3_12_74-60_64_93-default-6-2.1
      kgraft-patch-3_12_74-60_64_93-xen-6-2.1
      kgraft-patch-3_12_74-60_64_96-default-6-2.1
      kgraft-patch-3_12_74-60_64_96-xen-6-2.1
      kgraft-patch-3_12_74-60_64_99-default-5-2.1
      kgraft-patch-3_12_74-60_64_99-xen-5-2.1

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

      kgraft-patch-3_12_61-52_106-default-11-2.1
      kgraft-patch-3_12_61-52_106-xen-11-2.1
      kgraft-patch-3_12_61-52_111-default-10-2.1
      kgraft-patch-3_12_61-52_111-xen-10-2.1
      kgraft-patch-3_12_61-52_119-default-10-2.1
      kgraft-patch-3_12_61-52_119-xen-10-2.1
      kgraft-patch-3_12_61-52_122-default-10-2.1
      kgraft-patch-3_12_61-52_122-xen-10-2.1
      kgraft-patch-3_12_61-52_125-default-9-2.1
      kgraft-patch-3_12_61-52_125-xen-9-2.1
      kgraft-patch-3_12_61-52_128-default-7-2.1
      kgraft-patch-3_12_61-52_128-xen-7-2.1
      kgraft-patch-3_12_61-52_133-default-6-2.1
      kgraft-patch-3_12_61-52_133-xen-6-2.1
      kgraft-patch-3_12_61-52_136-default-6-2.1
      kgraft-patch-3_12_61-52_136-xen-6-2.1
      kgraft-patch-3_12_61-52_141-default-5-2.1
      kgraft-patch-3_12_61-52_141-xen-5-2.1
      kgraft-patch-3_12_61-52_146-default-3-2.1
      kgraft-patch-3_12_61-52_146-xen-3-2.1


References:

   https://www.suse.com/security/cve/CVE-2018-18386.html
   https://bugzilla.suse.com/1112039

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