Xen 'get_page_from_gfn()' Function Local Denial of Service Vulnerability

BID:56805

Info

Xen 'get_page_from_gfn()' Function Local Denial of Service Vulnerability

Bugtraq ID: 56805
Class: Input Validation Error
CVE: CVE-2012-5525
Remote: No
Local: Yes
Published: Dec 03 2012 12:00AM
Updated: Apr 13 2015 10:12PM
Credit: The vendor reported this issue.
Vulnerable: XenSource Xen 4.2
Gentoo Linux
Not Vulnerable: XenSource Xen 4.1
XenSource Xen 4.0
XenSource Xen 3.4

Discussion

Xen 'get_page_from_gfn()' Function Local Denial of Service Vulnerability

Xen is prone to a local denial-of-service vulnerability.

An attacker with access to a guest operating system can exploit this issue to crash the host operating system, effectively denying service to legitimate users.

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