Resource management error in Xen

1) Resource management error

EUVDB-ID: #VU32630

Risk: Low

CVSSv3.1: 1.3 [CVSS:3.1/CVSS:3.1/AV:A/AC:L/PR:/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2013-4375

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

The vulnerability allows a remote #AU# to perform service disruption.

The qdisk PV disk backend in qemu-xen in Xen 4.2.x and 4.3.x before 4.3.1, and qemu 1.1 and other versions, allows local HVM guests to cause a denial of service (domain grant reference consumption) via unspecified vectors.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Xen: 4.3.0

External links

http://security.gentoo.org/glsa/glsa-201407-03.xml
http://www.openwall.com/lists/oss-security/2013/10/10/14
http://www.ubuntu.com/usn/USN-2092-1
http://xenproject.org/downloads/xen-archives/supported-xen-43-series/xen-431.html

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.