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Debian Security Advisory DSA 2909-1 (qemu - security update)

Information

Severity

Severity

Medium

Family

Family

Debian Local Security Checks

CVSSv2 Base

CVSSv2 Base

4.9

CVSSv2 Vector

CVSSv2 Vector

AV:A/AC:M/Au:S/C:P/I:P/A:P

Solution Type

Solution Type

Vendor Patch

Created

Created

8 years ago

Modified

Modified

8 months ago

Summary

Michael S. Tsirkin of Red Hat discovered a buffer overflow flaw in the way qemu processed MAC addresses table update requests from the guest. A privileged guest user could use this flaw to corrupt qemu process memory on the host, which could potentially result in arbitrary code execution on the host with the privileges of the qemu process.

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 (squeeze), this problem has been fixed in version 0.12.5+dfsg-3squeeze4. For the stable distribution (wheezy), this problem has been fixed in version 1.1.2+dfsg-6a+deb7u1. For the testing distribution (jessie), this problem has been fixed in version 1.7.0+dfsg-8. For the unstable distribution (sid), this problem has been fixed in version 1.7.0+dfsg-8. We recommend that you upgrade your qemu packages.

Common Vulnerabilities and Exposures (CVE)