SUSE Security Update: Security update for xen
______________________________________________________________________________

Announcement ID:    SUSE-SU-2019:0003-1
Rating:             important
References:         #1027519 #1108940 #1111014 #1114405 #1114423 
                    #1114988 #1115040 #1115043 #1115044 #1115045 
                    #1115047 #1117756 
Cross-References:   CVE-2018-17963 CVE-2018-18849 CVE-2018-18883
                    CVE-2018-19665 CVE-2018-19961 CVE-2018-19962
                    CVE-2018-19963 CVE-2018-19964 CVE-2018-19965
                    CVE-2018-19966 CVE-2018-19967
Affected Products:
                    SUSE Linux Enterprise Software Development Kit 12-SP4
                    SUSE Linux Enterprise Server 12-SP4
                    SUSE Linux Enterprise Desktop 12-SP4
______________________________________________________________________________

   An update that solves 11 vulnerabilities and has one errata
   is now available.

Description:

   This update for xen fixes the following issues:

   - Update to Xen 4.11.1 bug fix release (bsc#1027519)

   - CVE-2018-17963: Fixed an integer overflow issue in the QEMU emulator,
     which could occur when a packet with large packet size is processed. A
     user inside a guest could have used this flaw to crash the qemu process
     resulting in a Denial of Service (DoS). (bsc#1111014)
   - CVE-2018-18849: Fixed an out of bounds memory access in the LSI53C895A
     SCSI host bus adapter emulation, which allowed a user and/or process to
     crash the qemu process resulting in a Denial of Service (DoS).
     (bsc#1114423)
   - CVE-2018-18883: Fixed an issue related to inproper restriction of nested
     VT-x, which allowed a guest to cause Xen to crash, resulting in a Denial
     of Service (DoS). (XSA-278) (bsc#1114405)
   - CVE-2018-19961, CVE-2018-19962: Fixed an issue related to insufficient
     TLB flushing with AMD IOMMUs, which potentially allowed a guest to
     escalate its privileges, may cause a Denial of Service (DoS) affecting
     the entire host, or may be able to access data it is not supposed to
     access. (XSA-275) (bsc#1115040)
   - CVE-2018-19963: Fixed the allocation of pages used to communicate with
     external emulators, which may have cuased Xen to crash, resulting in a
     Denial
     of Service (DoS). (XSA-276) (bsc#1115043)
   - CVE-2018-19965: Fixed an issue related to the INVPCID instruction in
     case non-canonical addresses are accessed, which may allow a guest to
     cause Xen to crash, resulting in a Denial of Service (DoS) affecting the
     entire host. (XSA-279) (bsc#1115045)
   - CVE-2018-19966: Fixed an issue related to a previous fix for XSA-240,
     which conflicted with shadow paging and allowed a guest to cause Xen to
     crash, resulting in a Denial of Service (DoS) (XSA-280) (bsc#1115047)
   - CVE-2018-19967: Fixed HLE constructs that allowed guests to lock up the
     host, resulting in a Denial of Service (DoS). (XSA-282) (bsc#1114988)
   - CVE-2018-19964: Fixed the incorrect error handling of p2m page removals,
     which allowed a guest to cause a deadlock, resulting in a Denial of
     Service (DoS) affecting the entire host. (XSA-277) (bsc#1115044)
   - CVE-2018-19665: Fixed an integer overflow resulting in memory corruption
     in various Bluetooth functions, allowing this to crash qemu process
     resulting in Denial of Service (DoS). (bsc#1117756).

   Other bugs fixed:

   - Fixed an issue related to a domU hang on SLE12-SP3 HV (bsc#1108940)


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 Software Development Kit 12-SP4:

      zypper in -t patch SUSE-SLE-SDK-12-SP4-2019-3=1

   - SUSE Linux Enterprise Server 12-SP4:

      zypper in -t patch SUSE-SLE-SERVER-12-SP4-2019-3=1

   - SUSE Linux Enterprise Desktop 12-SP4:

      zypper in -t patch SUSE-SLE-DESKTOP-12-SP4-2019-3=1



Package List:

   - SUSE Linux Enterprise Software Development Kit 12-SP4 (aarch64 x86_64):

      xen-debugsource-4.11.1_02-2.3.1
      xen-devel-4.11.1_02-2.3.1

   - SUSE Linux Enterprise Server 12-SP4 (x86_64):

      xen-4.11.1_02-2.3.1
      xen-debugsource-4.11.1_02-2.3.1
      xen-doc-html-4.11.1_02-2.3.1
      xen-libs-32bit-4.11.1_02-2.3.1
      xen-libs-4.11.1_02-2.3.1
      xen-libs-debuginfo-32bit-4.11.1_02-2.3.1
      xen-libs-debuginfo-4.11.1_02-2.3.1
      xen-tools-4.11.1_02-2.3.1
      xen-tools-debuginfo-4.11.1_02-2.3.1
      xen-tools-domU-4.11.1_02-2.3.1
      xen-tools-domU-debuginfo-4.11.1_02-2.3.1

   - SUSE Linux Enterprise Desktop 12-SP4 (x86_64):

      xen-4.11.1_02-2.3.1
      xen-debugsource-4.11.1_02-2.3.1
      xen-libs-32bit-4.11.1_02-2.3.1
      xen-libs-4.11.1_02-2.3.1
      xen-libs-debuginfo-32bit-4.11.1_02-2.3.1
      xen-libs-debuginfo-4.11.1_02-2.3.1


References:

   https://www.suse.com/security/cve/CVE-2018-17963.html
   https://www.suse.com/security/cve/CVE-2018-18849.html
   https://www.suse.com/security/cve/CVE-2018-18883.html
   https://www.suse.com/security/cve/CVE-2018-19665.html
   https://www.suse.com/security/cve/CVE-2018-19961.html
   https://www.suse.com/security/cve/CVE-2018-19962.html
   https://www.suse.com/security/cve/CVE-2018-19963.html
   https://www.suse.com/security/cve/CVE-2018-19964.html
   https://www.suse.com/security/cve/CVE-2018-19965.html
   https://www.suse.com/security/cve/CVE-2018-19966.html
   https://www.suse.com/security/cve/CVE-2018-19967.html
   https://bugzilla.suse.com/1027519
   https://bugzilla.suse.com/1108940
   https://bugzilla.suse.com/1111014
   https://bugzilla.suse.com/1114405
   https://bugzilla.suse.com/1114423
   https://bugzilla.suse.com/1114988
   https://bugzilla.suse.com/1115040
   https://bugzilla.suse.com/1115043
   https://bugzilla.suse.com/1115044
   https://bugzilla.suse.com/1115045
   https://bugzilla.suse.com/1115047
   https://bugzilla.suse.com/1117756

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