Security update for qemu

SUSE Security Update: Security update for qemu
Announcement ID: SUSE-SU-2017:2946-1
Rating: important
References: #1020427 #1021741 #1025109 #1025311 #1028184 #1028656 #1030624 #1032075 #1034866 #1034908 #1035406 #1035950 #1036211 #1037242 #1037334 #1037336 #1039495 #1042159 #1042800 #1042801 #1043073 #1043296 #1045035 #1046636 #1047674 #1048902 #1049381 #1054724 #1056334 #1057378 #1057585 #1062069 #1063122 #994418 #994605
Affected Products:
  • SUSE OpenStack Cloud 6
  • SUSE Linux Enterprise Server for SAP 12-SP1
  • SUSE Linux Enterprise Server 12-SP1-LTSS
    		•

    An update that solves 33 vulnerabilities and has two fixes is now available.

    Description:

    This update for qemu fixes several issues.

    These security issues were fixed:

    - CVE-2017-10911: The make_response function in the Linux kernel allowed
    guest OS users to obtain sensitive information from host OS (or other
    guest OS) kernel memory by leveraging the copying of uninitialized
    padding fields in Xen block-interface response structures (bsc#1057378).
    - CVE-2017-12809: The IDE disk and CD/DVD-ROM Emulator support allowed
    local guest OS privileged users to cause a denial of service (NULL
    pointer dereference and QEMU process crash) by flushing an empty CDROM
    device drive (bsc#1054724).
    - CVE-2017-15289: The mode4and5 write functions allowed local OS guest
    privileged users to cause a denial of service (out-of-bounds write
    access and Qemu process crash) via vectors related to dst calculation
    (bsc#1063122)
    - CVE-2017-15038: Race condition in the v9fs_xattrwalk function local
    guest OS users to obtain sensitive information from host heap memory via
    vectors related to reading extended attributes (bsc#1062069)
    - CVE-2017-14167: Integer overflow in the load_multiboot function allowed
    local guest OS users to execute arbitrary code on the host via crafted
    multiboot header address values, which trigger an out-of-bounds write
    (bsc#1057585)
    - CVE-2017-11434: The dhcp_decode function in slirp/bootp.c allowed local
    guest OS users to cause a denial of service (out-of-bounds read) via a
    crafted DHCP options string (bsc#1049381)
    - CVE-2017-11334: The address_space_write_continue function allowed local
    guest OS privileged users to cause a denial of service (out-of-bounds
    access and guest instance crash) by leveraging use of qemu_map_ram_ptr
    to access guest ram block area (bsc#1048902)
    - CVE-2017-13672: The VGA display emulator support allowed local guest OS
    privileged users to cause a denial of service (out-of-bounds read and
    QEMU process crash) via vectors involving display update (bsc#1056334)
    - CVE-2017-5973: A infinite loop while doing control transfer in
    xhci_kick_epctx allowed privileged user inside the guest to crash the
    host process resulting in DoS (bsc#1025109)
    - CVE-2017-5987: The sdhci_sdma_transfer_multi_blocks function in
    hw/sd/sdhci.c allowed local OS guest privileged users to cause a denial
    of service (infinite loop and QEMU process crash) via vectors involving
    the transfer mode register during multi block transfer (bsc#1025311)
    - CVE-2017-6505: The ohci_service_ed_list function allowed local guest OS
    users to cause a denial of service (infinite loop) via vectors involving
    the number of link endpoint list descriptors (bsc#1028184)
    - CVE-2016-9603: A privileged user within the guest VM could have caused a
    heap overflow in the device model process, potentially escalating their
    privileges to that of the device model process (bsc#1028656)
    - CVE-2017-7718: hw/display/cirrus_vga_rop.h allowed local guest OS
    privileged users to cause a denial of service (out-of-bounds read and
    QEMU process crash) via vectors related to copying VGA data via the
    cirrus_bitblt_rop_fwd_transp_ and cirrus_bitblt_rop_fwd_ functions
    (bsc#1034908)
    - CVE-2017-7980: An out-of-bounds r/w access issues in the Cirrus CLGD
    54xx VGA Emulator support allowed privileged user inside guest to use
    this flaw to crash the Qemu process resulting in DoS or potentially
    execute arbitrary code on a host with privileges of Qemu process on the
    host (bsc#1035406)
    - CVE-2017-8112: hw/scsi/vmw_pvscsi.c allowed local guest OS privileged
    users to cause a denial of service (infinite loop and CPU consumption)
    via the message ring page count (bsc#1036211)
    - CVE-2017-9375: The USB xHCI controller emulator support was vulnerable
    to an infinite recursive call loop issue, which allowed a privileged
    user inside guest to crash the Qemu process resulting in DoS
    (bsc#1042800)
    - CVE-2017-9374: Missing free of 's->ipacket', causes a host memory leak,
    allowing for DoS (bsc#1043073)
    - CVE-2017-9373: The IDE AHCI Emulation support was vulnerable to a host
    memory leakage issue, which allowed a privileged user inside guest to
    leak host memory resulting in DoS (bsc#1042801)
    - CVE-2017-9330: USB OHCI Emulation in qemu allowed local guest OS users
    to cause a denial of service (infinite loop) by leveraging an incorrect
    return value (bsc#1042159)
    - CVE-2017-8379: Memory leak in the keyboard input event handlers support
    allowed local guest OS privileged users to cause a denial of service
    (host memory consumption) by rapidly generating large keyboard events
    (bsc#1037334)
    - CVE-2017-8309: Memory leak in the audio/audio.c allowed remote attackers
    to cause a denial of service (memory consumption) by repeatedly starting
    and stopping audio capture (bsc#1037242)
    - CVE-2017-8380: The MegaRAID SAS 8708EM2 Host Bus Adapter emulation
    support was vulnerable to an out-of-bounds read access issue which
    allowed a privileged user inside guest to read host memory resulting in
    DoS (bsc#1037336)
    - CVE-2017-7493: The VirtFS, host directory sharing via Plan 9 File
    System(9pfs) support, was vulnerable to an improper access control
    issue. It could occur while accessing virtfs metadata files in
    mapped-file security mode. A guest user could have used this flaw to
    escalate their privileges inside guest (bsc#1039495)
    - CVE-2016-9602: The VirtFS host directory sharing via Plan 9 File
    System(9pfs) support was vulnerable to an improper link following issue
    which allowed a privileged user inside guest to access host file system
    beyond the shared folder and potentially escalating their privileges on
    a host (bsc#1020427)
    - CVE-2017-5579: The 16550A UART serial device emulation support was
    vulnerable to a memory leakage issue allowing a privileged user to cause
    a DoS and/or potentially crash the Qemu process on the host (bsc#1021741)
    - CVE-2017-9503: The MegaRAID SAS 8708EM2 Host Bus Adapter emulation
    support was vulnerable to a null pointer dereference issue which allowed
    a privileged user inside guest to crash the Qemu process on the host
    resulting in DoS (bsc#1043296)
    - CVE-2017-10664: qemu-nbd did not ignore SIGPIPE, which allowed remote
    attackers to cause a denial of service (daemon crash) by disconnecting
    during a server-to-client reply attempt (bsc#1046636)
    - CVE-2017-10806: Stack-based buffer overflow allowed local guest OS users
    to cause a denial of service (QEMU process crash) via vectors related to
    logging debug messages (bsc#1047674)
    - CVE-2016-9602: The VirtFS host directory sharing via Plan 9 File
    System(9pfs) support was vulnerable to an improper link following issue
    which allowed a privileged user inside guest to access host file system
    beyond the shared folder and potentially escalating their privileges on
    a host (bsc#1020427)
    - CVE-2017-7377: The v9fs_create and v9fs_lcreate functions in
    hw/9pfs/9p.c allowed local guest OS privileged users to cause a denial
    of service (file descriptor or memory consumption) via vectors related
    to an already in-use fid (bsc#1032075)
    - CVE-2017-8086: A memory leak in the v9fs_list_xattr function in
    hw/9pfs/9p-xattr.c allowed local guest OS privileged users to cause a
    denial of service (memory consumption) via vectors involving the
    orig_value variable (bsc#1035950)
    - CVE-2017-7471: The VirtFS host directory sharing via Plan 9 File
    System(9pfs) support was vulnerable to an improper access control issue
    which allowed a privileged user inside guest to access host file system
    beyond the shared folder and potentially escalating their privileges on
    a host (bsc#1034866)
    - CVE-2016-6835: Buffer overflow in the VMWARE VMXNET3 NIC device support,
    causing an OOB read access (bsc#994605)
    - CVE-2016-6834: A infinite loop during packet fragmentation in the VMWARE
    VMXNET3 NIC device support allowed privileged user inside guest to crash
    the Qemu instance resulting in DoS (bsc#994418)
    - Fix privilege escalation in TCG mode (bsc#1030624)

    This non-security issue was fixed:

    - Fix regression introduced by recent virtfs security fixes (bsc#1045035)

    Patch Instructions:

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

    • SUSE OpenStack Cloud 6:
      zypper in -t patch SUSE-OpenStack-Cloud-6-2017-1827=1
    • SUSE Linux Enterprise Server for SAP 12-SP1:
      zypper in -t patch SUSE-SLE-SAP-12-SP1-2017-1827=1
    • SUSE Linux Enterprise Server 12-SP1-LTSS:
      zypper in -t patch SUSE-SLE-SERVER-12-SP1-2017-1827=1

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

    Package List:

    • SUSE OpenStack Cloud 6 (x86_64):
      • qemu-2.3.1-33.3.3
      • qemu-block-curl-2.3.1-33.3.3
      • qemu-block-curl-debuginfo-2.3.1-33.3.3
      • qemu-block-rbd-2.3.1-33.3.3
      • qemu-block-rbd-debuginfo-2.3.1-33.3.3
      • qemu-debugsource-2.3.1-33.3.3
      • qemu-guest-agent-2.3.1-33.3.3
      • qemu-guest-agent-debuginfo-2.3.1-33.3.3
      • qemu-kvm-2.3.1-33.3.3
      • qemu-lang-2.3.1-33.3.3
      • qemu-tools-2.3.1-33.3.3
      • qemu-tools-debuginfo-2.3.1-33.3.3
      • qemu-x86-2.3.1-33.3.3
    • SUSE OpenStack Cloud 6 (noarch):
      • qemu-ipxe-1.0.0-33.3.3
      • qemu-seabios-1.8.1-33.3.3
      • qemu-sgabios-8-33.3.3
      • qemu-vgabios-1.8.1-33.3.3
    • SUSE Linux Enterprise Server for SAP 12-SP1 (ppc64le x86_64):
      • qemu-2.3.1-33.3.3
      • qemu-block-curl-2.3.1-33.3.3
      • qemu-block-curl-debuginfo-2.3.1-33.3.3
      • qemu-debugsource-2.3.1-33.3.3
      • qemu-guest-agent-2.3.1-33.3.3
      • qemu-guest-agent-debuginfo-2.3.1-33.3.3
      • qemu-lang-2.3.1-33.3.3
      • qemu-tools-2.3.1-33.3.3
      • qemu-tools-debuginfo-2.3.1-33.3.3
    • SUSE Linux Enterprise Server for SAP 12-SP1 (ppc64le):
      • qemu-ppc-2.3.1-33.3.3
      • qemu-ppc-debuginfo-2.3.1-33.3.3
    • SUSE Linux Enterprise Server for SAP 12-SP1 (x86_64):
      • qemu-block-rbd-2.3.1-33.3.3
      • qemu-block-rbd-debuginfo-2.3.1-33.3.3
      • qemu-kvm-2.3.1-33.3.3
      • qemu-x86-2.3.1-33.3.3
    • SUSE Linux Enterprise Server for SAP 12-SP1 (noarch):
      • qemu-ipxe-1.0.0-33.3.3
      • qemu-seabios-1.8.1-33.3.3
      • qemu-sgabios-8-33.3.3
      • qemu-vgabios-1.8.1-33.3.3
    • SUSE Linux Enterprise Server 12-SP1-LTSS (ppc64le s390x x86_64):
      • qemu-2.3.1-33.3.3
      • qemu-block-curl-2.3.1-33.3.3
      • qemu-block-curl-debuginfo-2.3.1-33.3.3
      • qemu-debugsource-2.3.1-33.3.3
      • qemu-guest-agent-2.3.1-33.3.3
      • qemu-guest-agent-debuginfo-2.3.1-33.3.3
      • qemu-lang-2.3.1-33.3.3
      • qemu-tools-2.3.1-33.3.3
      • qemu-tools-debuginfo-2.3.1-33.3.3
    • SUSE Linux Enterprise Server 12-SP1-LTSS (s390x x86_64):
      • qemu-kvm-2.3.1-33.3.3
    • SUSE Linux Enterprise Server 12-SP1-LTSS (ppc64le):
      • qemu-ppc-2.3.1-33.3.3
      • qemu-ppc-debuginfo-2.3.1-33.3.3
    • SUSE Linux Enterprise Server 12-SP1-LTSS (x86_64):
      • qemu-block-rbd-2.3.1-33.3.3
      • qemu-block-rbd-debuginfo-2.3.1-33.3.3
      • qemu-x86-2.3.1-33.3.3
    • SUSE Linux Enterprise Server 12-SP1-LTSS (noarch):
      • qemu-ipxe-1.0.0-33.3.3
      • qemu-seabios-1.8.1-33.3.3
      • qemu-sgabios-8-33.3.3
      • qemu-vgabios-1.8.1-33.3.3
    • SUSE Linux Enterprise Server 12-SP1-LTSS (s390x):
      • qemu-s390-2.3.1-33.3.3
      • qemu-s390-debuginfo-2.3.1-33.3.3

    References: