Security update for qemu

SUSE Security Update: Security update for qemu
Announcement ID: SUSE-SU-2015:0349-1
Rating: moderate
References: #905097 #907805 #908380
Affected Products:
  • SUSE Linux Enterprise Server 12
  • SUSE Linux Enterprise Desktop 12

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

    Description:


    QEMU was updated to fix various bugs and security issues.

    Following security issues were fixed: CVE-2014-8106: Heap-based buffer
    overflow in the Cirrus VGA emulator (hw/display/cirrus_vga.c) in QEMU
    allowed local guest users to execute arbitrary code via vectors related to
    blit regions.

    CVE-2014-7840: The host_from_stream_offset function in arch_init.c in
    QEMU, when loading RAM during migration, allowed remote attackers to
    execute arbitrary code via a crafted (1) offset or (2) length value in
    savevm data.

    Also a bug was fixed where qemu-img convert could occasionaly corrupt
    images. (bsc#908380)

    Patch Instructions:

    To install this SUSE Security Update use YaST online_update.
    Alternatively you can run the command listed for your product:

    • SUSE Linux Enterprise Server 12:
      zypper in -t patch SUSE-SLE-SERVER-12-2015-88=1
    • SUSE Linux Enterprise Desktop 12:
      zypper in -t patch SUSE-SLE-DESKTOP-12-2015-88=1

    To bring your system up-to-date, use "zypper patch".

    Package List:

    • SUSE Linux Enterprise Server 12 (ppc64le s390x x86_64):
      • qemu-2.0.2-42.1
      • qemu-block-curl-2.0.2-42.1
      • qemu-block-curl-debuginfo-2.0.2-42.1
      • qemu-debugsource-2.0.2-42.1
      • qemu-guest-agent-2.0.2-42.1
      • qemu-guest-agent-debuginfo-2.0.2-42.1
      • qemu-lang-2.0.2-42.1
      • qemu-tools-2.0.2-42.1
      • qemu-tools-debuginfo-2.0.2-42.1
    • SUSE Linux Enterprise Server 12 (s390x x86_64):
      • qemu-kvm-2.0.2-42.1
    • SUSE Linux Enterprise Server 12 (ppc64le):
      • qemu-ppc-2.0.2-42.1
      • qemu-ppc-debuginfo-2.0.2-42.1
    • SUSE Linux Enterprise Server 12 (noarch):
      • qemu-ipxe-1.0.0-42.1
      • qemu-seabios-1.7.4-42.1
      • qemu-sgabios-8-42.1
      • qemu-vgabios-1.7.4-42.1
    • SUSE Linux Enterprise Server 12 (x86_64):
      • qemu-x86-2.0.2-42.1
      • qemu-x86-debuginfo-2.0.2-42.1
    • SUSE Linux Enterprise Server 12 (s390x):
      • qemu-s390-2.0.2-42.1
      • qemu-s390-debuginfo-2.0.2-42.1
    • SUSE Linux Enterprise Desktop 12 (x86_64):
      • qemu-2.0.2-42.1
      • qemu-block-curl-2.0.2-42.1
      • qemu-block-curl-debuginfo-2.0.2-42.1
      • qemu-debugsource-2.0.2-42.1
      • qemu-kvm-2.0.2-42.1
      • qemu-tools-2.0.2-42.1
      • qemu-tools-debuginfo-2.0.2-42.1
      • qemu-x86-2.0.2-42.1
      • qemu-x86-debuginfo-2.0.2-42.1
    • SUSE Linux Enterprise Desktop 12 (noarch):
      • qemu-ipxe-1.0.0-42.1
      • qemu-seabios-1.7.4-42.1
      • qemu-sgabios-8-42.1
      • qemu-vgabios-1.7.4-42.1

    References:

    • http://support.novell.com/security/cve/CVE-2014-7840.html
    • http://support.novell.com/security/cve/CVE-2014-8106.html
    • https://bugzilla.suse.com/905097
    • https://bugzilla.suse.com/907805
    • https://bugzilla.suse.com/908380