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Debian Security Advisory DSA 3259-1 (qemu - security update)

Information

Severity

Severity

High

Family

Family

Debian Local Security Checks

CVSSv2 Base

CVSSv2 Base

7.8

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Solution Type

Solution Type

Vendor Patch

Created

Created

7 years ago

Modified

Modified

1 year ago

Summary

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.

Affected Software

Affected Software

qemu on Debian Linux

Detection Method

Detection Method

This check tests the installed software version using the apt package manager.

Solution

Solution

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.

Common Vulnerabilities and Exposures (CVE)