[SECURITY] [DSA 3259-1] qemu security update

Debian Security Advisory DSA-3259-1                   security@debian.org
http://www.debian.org/security/                        Moritz Muehlenhoff
May 13, 2015                           http://www.debian.org/security/faq
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Package        : qemu
CVE ID         : CVE-2014-9718 CVE-2015-1779 CVE-2015-2756 CVE-2015-3456

Several vulnerabilities were discovered in the qemu virtualisation
solution:

CVE-2014-9718

    It was discovered that the IDE controller emulation is susceptible
    to denial of service.

CVE-2015-1779

    Daniel P. Berrange discovered a denial of service vulnerability in
    the VNC web socket decoder.

CVE-2015-2756

    Jan Beulich discovered that unmediated PCI command register could
    result in denial of service.

CVE-2015-3456

    Jason Geffner discovered a buffer overflow in the emulated floppy
    disk drive, resulting in the potential execution of arbitrary code.

For the oldstable distribution (wheezy), these problems have been fixed
in version 1.1.2+dfsg-6a+deb7u7 of the qemu source package and in version
1.1.2+dfsg-6+deb7u7 of the qemu-kvm source package. Only CVE-2015-3456
affects oldstable.

For the stable distribution (jessie), these problems have been fixed in
version 1:2.1+dfsg-12.

For the unstable distribution (sid), these problems will be fixed soon.

We recommend that you upgrade your qemu packages.

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

Mailing list: debian-security-announce@lists.debian.org