Security update for qemu (important)

qemu was updated to fix several security issues and bugs.

The following vulnerabilities were fixed:

• CVE-2015-5154: Heap-based buffer overflow in the IDE subsystem in QEMU,
  when the container has a CDROM drive enabled, allows local guest users
  to execute arbitrary code on the host via unspecified ATAPI commands.
  (bsc#938344).
• CVE-2015-5278: QEMU was vulnerable to an infinite loop issue that could
  occur when receiving packets over the network. (bsc#945989)
• CVE-2015-5279: QEMU was vulnerable to a heap buffer overflow issue that
  could occur when receiving packets over the network. (bsc#945987)
• CVE-2015-6855: QEMU was vulnerable to a divide by zero issue that could
  occur while executing an IDE command WIN_READ_NATIVE_MAX to determine
  the maximum size of a drive. (bsc#945404)
• CVE-2014-7815: The set_pixel_format function in ui/vnc.c in QEMU allowed
  remote attackers to cause a denial of service (crash) via a small
  bytes_per_pixel value. (bsc#902737):

Also these non-security issues were fixed:

• bsc#937572: Fixed dictzip on big endian systems
• bsc#934517: Fix ‘info tlb’ causes guest to freeze
• bsc#934506: Fix vte monitor consol looks empy
• bsc#937125: Fix parsing of scsi-disk wwn uint64 property
• bsc#945778: Drop .probe hooks for DictZip and tar block drivers
• bsc#937572: Fold common-obj-y -> block-obj-y change into original patches
• bsc#928308,bsc#944017: Fix virtio-ccw index errors when initrd gets too
  large
• bsc#936537: Fix possible qemu-img error when converting to compressed
  qcow2 image
• bsc#939216: Fix reboot fail after install using uefi
• bsc#943446: qemu-img convert doesn’t create MB aligned VHDs anymore