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[SECURITY] [DLA 652-1] qemu security update



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Package        : qemu
Version        : 1.1.2+dfsg-6+deb7u16
CVE ID         : CVE-2016-7161 CVE-2016-7170 CVE-2016-7908

Multiple vulnerabilities have been found in QEMU:

CVE-2016-7161

    Heap-based buffer overflow in the .receive callback of xlnx.xps-ethernetlite
    in QEMU (aka Quick Emulator) allows attackers to execute arbitrary code on
    the QEMU host via a large ethlite packet.

CVE-2016-7170

    The vmsvga_fifo_run function in hw/display/vmware_vga.c in QEMU (aka Quick
    Emulator) is vulnerable to an OOB memory access.

CVE-2016-7908

    The mcf_fec_do_tx function in hw/net/mcf_fec.c in QEMU (aka Quick Emulator)
    does not properly limit the buffer descriptor count when transmitting
    packets, which allows local guest OS administrators to cause a denial of
    service (infinite loop and QEMU process crash) via vectors involving a
    buffer descriptor with a length of 0 and crafted values in bd.flags.

For Debian 7 "Wheezy", these problems have been fixed in version
1.1.2+dfsg-6+deb7u16.

We recommend that you upgrade your qemu packages.

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
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