[SECURITY] [DSA 3361-1] qemu security update

Debian Security Advisory DSA-3361-1 [email protected]
https://www.debian.org/security/ Salvatore Bonaccorso
September 18, 2015 https://www.debian.org/security/faq

Package : qemu
CVE ID : CVE-2015-5278 CVE-2015-5279 CVE-2015-6815 CVE-2015-6855
Debian Bug : 798101 799073 799074

Several vulnerabilities were discovered in qemu, a fast processor
emulator.

CVE-2015-5278

Qinghao Tang of QIHU 360 Inc. discovered an infinite loop issue in
the NE2000 NIC emulation. A privileged guest user could use this
flaw to mount a denial of service (QEMU process crash).

CVE-2015-5279

Qinghao Tang of QIHU 360 Inc. discovered a heap buffer overflow flaw
in the NE2000 NIC emulation. A privileged guest user could use this
flaw to mount a denial of service (QEMU process crash), or
potentially to execute arbitrary code on the host with the
privileges of the hosting QEMU process.

CVE-2015-6815

Qinghao Tang of QIHU 360 Inc. discovered an infinite loop issue in
the e1000 NIC emulation. A privileged guest user could use this flaw
to mount a denial of service (QEMU process crash).

CVE-2015-6855

Qinghao Tang of QIHU 360 Inc. discovered a flaw in the IDE
subsystem in QEMU occurring while executing IDE's
WIN_READ_NATIVE_MAX command to determine the maximum size of a
drive. A privileged guest user could use this flaw to mount a
denial of service (QEMU process crash).

For the oldstable distribution (wheezy), these problems have been fixed
in version 1.1.2+dfsg-6a+deb7u11.

For the stable distribution (jessie), these problems have been fixed in
version 1:2.1+dfsg-12+deb8u4.

For the testing distribution (stretch), these problems have been fixed
in version 1:2.4+dfsg-3 or earlier.

For the unstable distribution (sid), these problems have been fixed in
version 1:2.4+dfsg-3 or earlier.

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: [email protected]