SUSE Security Update: Security update for the Linux Kernel (Live Patch 32 for SLE 12 SP2)
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Announcement ID:    SUSE-SU-2019:2601-1
Rating:             important
References:         #1102682 #1151021 
Cross-References:   CVE-2018-5390 CVE-2019-14835
Affected Products:
                    SUSE Linux Enterprise Server for SAP 12-SP2
                    SUSE Linux Enterprise Server 12-SP2-LTSS
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   An update that fixes two vulnerabilities is now available.

Description:

   This update for the Linux Kernel 4.4.121-92_120 fixes several issues.

   The following security issues were fixed:

   - CVE-2019-14835: A buffer overflow flaw was found in the way vhost
     functionality, that translates virtqueue buffers to IOVs, logged the
     buffer descriptors during migration. A privileged guest user able to
     pass descriptors with invalid length to the host when migration is
     underway, could use this flaw to increase their privileges on the host
     (bsc#1151021).
   - CVE-2018-5390: Fixed a denial of service ("SegmentSmack") in
     tcp_collapse_ofo_queue() and tcp_prune_ofo_queue() for every incoming
     packet (bsc#1102682).


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-SP2:

      zypper in -t patch SUSE-SLE-SAP-12-SP2-2019-2601=1

   - SUSE Linux Enterprise Server 12-SP2-LTSS:

      zypper in -t patch SUSE-SLE-SERVER-12-SP2-2019-2601=1



Package List:

   - SUSE Linux Enterprise Server for SAP 12-SP2 (ppc64le x86_64):

      kgraft-patch-4_4_121-92_120-default-2-2.1

   - SUSE Linux Enterprise Server 12-SP2-LTSS (ppc64le x86_64):

      kgraft-patch-4_4_121-92_120-default-2-2.1


References:

   https://www.suse.com/security/cve/CVE-2018-5390.html
   https://www.suse.com/security/cve/CVE-2019-14835.html
   https://bugzilla.suse.com/1102682
   https://bugzilla.suse.com/1151021

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