Security update for qemu

This update for qemu fixes several issues.

These security issues were fixed:

- CVE-2017-5898: The CCID Card device emulator support was vulnerable to an integer overflow flaw
allowing a privileged user to crash the Qemu process on the host resulting in DoS (bsc#1023907).
- CVE-2017-5857: The Virtio GPU Device emulator support was vulnerable to a host memory leakage
issue allowing a guest user to leak host memory resulting in DoS (bsc#1023073).
- CVE-2017-2620: In CIRRUS_BLTMODE_MEMSYSSRC mode the bitblit copy routine cirrus_bitblt_cputovideo
failed to check the memory region, allowing for an out-of-bounds write that allows for privilege
escalation (bsc#1024972)
- CVE-2017-2615: An error in the bitblt copy operation could have allowed a malicious guest
administrator to cause an out of bounds memory access, possibly leading to information disclosure
or privilege escalation (bsc#1023004)
- CVE-2017-5856: The MegaRAID SAS 8708EM2 Host Bus Adapter emulation support was vulnerable to a
memory leakage issue allowing a privileged user to leak host memory resulting in DoS (bsc#1023053)
- CVE-2016-9921: The Cirrus CLGD 54xx VGA Emulator support was vulnerable to a divide by zero issue
while copying VGA data. A privileged user inside guest could have used this flaw to crash the
process instance on the host, resulting in DoS (bsc#1014702)
- CVE-2016-9922: The Cirrus CLGD 54xx VGA Emulator support was vulnerable to a divide by zero issue
while copying VGA data. A privileged user inside guest could have used this flaw to crash the
process instance on the host, resulting in DoS (bsc#1014702)
- CVE-2016-10029: The Virtio GPU Device emulator support was vulnerable to an OOB read issue
allowing a guest user to crash the Qemu process instance resulting in Dos (bsc#1017081).
- CVE-2016-10028: The Virtio GPU Device emulator support was vulnerable to an out of bounds memory
access issue allowing a guest user to crash the Qemu process instance on a host, resulting in DoS
(bsc#1017084).
- CVE-2016-10155: The virtual hardware watchdog 'wdt_i6300esb' 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#1021129)
- CVE-2017-5552: The Virtio GPU Device emulator support was vulnerable to a memory leakage issue
allowing a guest user to leak host memory resulting in DoS (bsc#1021195).
- CVE-2017-5578: The Virtio GPU Device emulator support was vulnerable to a memory leakage issue
allowing a guest user to leak host memory resulting in DoS (bsc#1021481).
- CVE-2017-5526: The ES1370 audio device emulation support was vulnerable to a memory leakage issue
allowing a privileged user inside the guest to cause a DoS and/or potentially crash the Qemu
process on the host (bsc#1020589).
- CVE-2017-5525: The ac97 audio device emulation support was vulnerable to a memory leakage issue
allowing a privileged user inside the guest to cause a DoS and/or potentially crash the Qemu
process on the host (bsc#1020491).
- CVE-2017-5667: The SDHCI device emulation support was vulnerable to an OOB heap access issue
allowing a privileged user inside the guest to crash the Qemu process resulting in DoS or
potentially execute arbitrary code with privileges of the Qemu process on the host (bsc#1022541).
- CVE-2017-5898: The CCID Card device emulator support was vulnerable to an integer overflow
allowing a privileged user inside the guest to crash the Qemu process resulting in DoS
(bnc#1023907)

These non-security issues were fixed:

- Fix name of s390x specific sysctl configuration file to end with .conf (bsc#1026583)
- XHCI fixes (bsc#977027)
- Fixed rare race during s390x guest reboot
- Fixed various inaccuracies in cirrus vga device emulation
- Fixed cause of infrequent migration failures from bad virtio device state (bsc#1020928)
- Fixed graphical update errors introduced by previous security fix (bsc#1016779)

This update was imported from the SUSE:SLE-12-SP2:Update update project.

Fixed bugs
bnc#1026583
s390x: kvm vms unable to start because vm.allocate_pgste = 0
bnc#1020491
VUL-0: CVE-2017-5525: kvm: qemu: audio: memory leakage in ac97 device
bnc#1021481
VUL-0: CVE-2017-5578: kvm: qemu: display: virtio-gpu: host memory leakage in virtio_gpu_resource_attach_backing
bnc#1023004
VUL-0: CVE-2017-2615: kvm: qemu: display: cirrus: oob access while doing bitblt copy backward mode [XSA-208]
bnc#1024972
VUL-0: EMBARGOED: CVE-2017-2620: qemu,kvm: cirrus_bitblt_cputovideo does not check if memory region is safe (XSA-209)
bnc#1020928
L3: live migration does not start for 2/100 attempts
bnc#1021195
VUL-0: CVE-2017-5552: kvm: qemu: display: virtio-gpu-3d: memory leakage in virgl_resource_attach_backing
bnc#1017081
VUL-0: CVE-2016-10029: qemu, kvm: display: virtio-gpu: out of bounds read in virtio_gpu_set_scanout
bnc#1016779
QEMU after qemu update login screen on top of SLES11SP4 HVM guests is broken
bnc#1020589
VUL-0: CVE-2017-5526: kvm: qemu: audio: memory leakage in es1370 device
bnc#1023053
VUL-0: CVE-2017-5856: kvm,qemu: scsi/megasas: host memory leakage in megasas_handle_dcmd
bnc#1015169
VUL-0: CVE-2016-9921, CVE-2016-9922: xen: qemu: display: cirrus_vga: a divide by zero in cirrus_do_copy
bnc#1017084
VUL-0: CVE-2016-10028: qemu, kvm: display: virtio-gpu-3d: OOB access while reading virgl capabilities
bnc#1022541
VUL-0: CVE-2017-5667: kvm: qemu: sd: sdhci OOB access during multi block SDMA transfer
bnc#977027
SLOF keyboard regression on xhci
bnc#1021129
VUL-0: CVE-2016-10155: kvm: qemu: watchdog: memory leakage in virtual hardware watchdog wdt_i6300esb
bnc#1014702
VUL-0: CVE-2016-9921, CVE-2016-9922: qemu: display: cirrus_vga: a divide by zero in cirrus_do_copy
bnc#1023073
VUL-0: CVE-2017-5857: kvm: qemu: display: virtio-gpu-3d: host memory leakage in virgl_cmd_resource_unref
bnc#1023907
VUL-0: CVE-2017-5898: kvm: qemu: usb: integer overflow in emulated_apdu_from_guest
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