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

                               ESB-2018.3698
              SUSE Security Update: Security update for qemu
                             28 November 2018

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

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

Product:           qemu
Publisher:         SUSE
Operating System:  SUSE
Impact/Access:     Execute Arbitrary Code/Commands -- Remote/Unauthenticated
                   Increased Privileges            -- Existing Account      
                   Denial of Service               -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-18849 CVE-2018-17963 CVE-2018-17962
                   CVE-2018-17958 CVE-2018-16847 CVE-2018-15746
                   CVE-2018-10839  

Reference:         ESB-2018.3670
                   ESB-2018.3660
                   ESB-2018.3533
                   ESB-2018.3255

Original Bulletin: 
   https://www.suse.com/support/update/announcement/2018/suse-su-20183927-1/

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   SUSE Security Update: Security update for qemu
______________________________________________________________________________

Announcement ID:    SUSE-SU-2018:3927-1
Rating:             important
References:         #1106222 #1107489 #1110910 #1111006 #1111010 
                    #1111013 #1112499 #1114422 #1114529 
Cross-References:   CVE-2018-10839 CVE-2018-15746 CVE-2018-16847
                    CVE-2018-17958 CVE-2018-17962 CVE-2018-17963
                    CVE-2018-18849
Affected Products:
                    SUSE Linux Enterprise Module for Server Applications 15
                    SUSE Linux Enterprise Module for Open Buildservice Development Tools 15
                    SUSE Linux Enterprise Module for Basesystem 15
______________________________________________________________________________

   An update that solves 7 vulnerabilities and has two fixes
   is now available.

Description:

   This update for qemu fixes the following issues:

   Security issues fixed:

   - CVE-2018-10839: Fixed NE2000 NIC emulation support that is vulnerable to
     an integer overflow, which could lead to buffer overflow issue. It could
     occur when receiving packets over the network. A user inside guest could
     use this flaw to crash the Qemu process resulting in DoS (bsc#1110910).
   - CVE-2018-15746: Fixed qemu-seccomp.c that might allow local OS guest
     users to cause a denial of service (guest crash) by leveraging
     mishandling of the seccomp policy for threads other than the main thread
     (bsc#1106222).
   - CVE-2018-16847: Fixed an OOB heap buffer r/w access issue that was found
     in the NVM Express Controller emulation in QEMU. It could occur in
     nvme_cmb_ops routines in nvme device. A guest user/process could use
     this flaw to crash the QEMU process resulting in DoS or potentially run
     arbitrary code with privileges of the QEMU process (bsc#1114529).
   - CVE-2018-17958: Fixed a Buffer Overflow in rtl8139_do_receive in
     hw/net/rtl8139.c because an incorrect integer data type is used
     (bsc#1111006).
   - CVE-2018-17962: Fixed a Buffer Overflow in pcnet_receive in
     hw/net/pcnet.c because an incorrect integer data type is used
     (bsc#1111010).
   - CVE-2018-17963: Fixed qemu_deliver_packet_iov in net/net.c that accepts
     packet sizes greater than INT_MAX, which allows attackers to cause a
     denial of service or possibly have unspecified other impact.
     (bsc#1111013)
   - CVE-2018-18849: Fixed an out of bounds memory access issue that was
     found in the LSI53C895A SCSI Host Bus Adapter emulation while writing a
     message in lsi_do_msgin. It could occur during migration if the
     'msg_len' field has an invalid value. A user/process could use this flaw
     to crash the Qemu process resulting in DoS (bsc#1114422).

   Non-security issues fixed:

   - Fix slowness in arm32 emulation (bsc#1112499).
   - In order to improve spectre mitigation for s390x, add a new feature in
     the QEMU cpu model to provide the etoken cpu feature for guests
     (bsc#1107489).


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 Server Applications 15:

      zypper in -t patch SUSE-SLE-Module-Server-Applications-15-2018-2794=1

   - SUSE Linux Enterprise Module for Open Buildservice Development Tools 15:

      zypper in -t patch SUSE-SLE-Module-Development-Tools-OBS-15-2018-2794=1

   - SUSE Linux Enterprise Module for Basesystem 15:

      zypper in -t patch SUSE-SLE-Module-Basesystem-15-2018-2794=1



Package List:

   - SUSE Linux Enterprise Module for Server Applications 15 (aarch64 ppc64le s390x x86_64):

      qemu-2.11.2-9.12.2
      qemu-block-curl-2.11.2-9.12.2
      qemu-block-curl-debuginfo-2.11.2-9.12.2
      qemu-block-iscsi-2.11.2-9.12.2
      qemu-block-iscsi-debuginfo-2.11.2-9.12.2
      qemu-block-rbd-2.11.2-9.12.2
      qemu-block-rbd-debuginfo-2.11.2-9.12.2
      qemu-block-ssh-2.11.2-9.12.2
      qemu-block-ssh-debuginfo-2.11.2-9.12.2
      qemu-debuginfo-2.11.2-9.12.2
      qemu-debugsource-2.11.2-9.12.2
      qemu-guest-agent-2.11.2-9.12.2
      qemu-guest-agent-debuginfo-2.11.2-9.12.2
      qemu-lang-2.11.2-9.12.2

   - SUSE Linux Enterprise Module for Server Applications 15 (s390x x86_64):

      qemu-kvm-2.11.2-9.12.2

   - SUSE Linux Enterprise Module for Server Applications 15 (aarch64):

      qemu-arm-2.11.2-9.12.2
      qemu-arm-debuginfo-2.11.2-9.12.2

   - SUSE Linux Enterprise Module for Server Applications 15 (ppc64le):

      qemu-ppc-2.11.2-9.12.2
      qemu-ppc-debuginfo-2.11.2-9.12.2

   - SUSE Linux Enterprise Module for Server Applications 15 (x86_64):

      qemu-x86-2.11.2-9.12.2
      qemu-x86-debuginfo-2.11.2-9.12.2

   - SUSE Linux Enterprise Module for Server Applications 15 (noarch):

      qemu-ipxe-1.0.0+-9.12.2
      qemu-seabios-1.11.0-9.12.2
      qemu-sgabios-8-9.12.2
      qemu-vgabios-1.11.0-9.12.2

   - SUSE Linux Enterprise Module for Server Applications 15 (s390x):

      qemu-s390-2.11.2-9.12.2
      qemu-s390-debuginfo-2.11.2-9.12.2

   - SUSE Linux Enterprise Module for Open Buildservice Development Tools 15 (aarch64 ppc64le s390x x86_64):

      qemu-block-dmg-2.11.2-9.12.2
      qemu-block-dmg-debuginfo-2.11.2-9.12.2
      qemu-debuginfo-2.11.2-9.12.2
      qemu-debugsource-2.11.2-9.12.2
      qemu-extra-2.11.2-9.12.2
      qemu-extra-debuginfo-2.11.2-9.12.2
      qemu-linux-user-2.11.2-9.12.1
      qemu-linux-user-debuginfo-2.11.2-9.12.1
      qemu-linux-user-debugsource-2.11.2-9.12.1

   - SUSE Linux Enterprise Module for Basesystem 15 (aarch64 ppc64le s390x x86_64):

      qemu-debuginfo-2.11.2-9.12.2
      qemu-debugsource-2.11.2-9.12.2
      qemu-tools-2.11.2-9.12.2
      qemu-tools-debuginfo-2.11.2-9.12.2


References:

   https://www.suse.com/security/cve/CVE-2018-10839.html
   https://www.suse.com/security/cve/CVE-2018-15746.html
   https://www.suse.com/security/cve/CVE-2018-16847.html
   https://www.suse.com/security/cve/CVE-2018-17958.html
   https://www.suse.com/security/cve/CVE-2018-17962.html
   https://www.suse.com/security/cve/CVE-2018-17963.html
   https://www.suse.com/security/cve/CVE-2018-18849.html
   https://bugzilla.suse.com/1106222
   https://bugzilla.suse.com/1107489
   https://bugzilla.suse.com/1110910
   https://bugzilla.suse.com/1111006
   https://bugzilla.suse.com/1111010
   https://bugzilla.suse.com/1111013
   https://bugzilla.suse.com/1112499
   https://bugzilla.suse.com/1114422
   https://bugzilla.suse.com/1114529

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