CVE-2012-4538

Medium

Description

The HVMOP_pagetable_dying hypercall in Xen 4.0, 4.1, and 4.2 does not properly check the pagetable state when running on shadow pagetables, which allows a local HVM guest OS to cause a denial of service (hypervisor crash) via unspecified vectors.

SeverityMedium

CVSS4.9

Exploit probability—

ProductXen

PublishedNov 24, 2012

First seenNov 24, 2012

How to fix

Vendor advisories

security.gentoo.org/glsa/201604-03

Affected products

Product	Affected versions	Fixed in
xen xen	4.0.0, 4.1.0, 4.2.0	—

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