CVE-2012-4537

Low

Description

Xen 3.4 through 4.2, and possibly earlier versions, does not properly synchronize the p2m and m2p tables when the set_p2m_entry function fails, which allows local HVM guest OS administrators to cause a denial of service (memory consumption and assertion failure), aka "Memory mapping failure DoS vulnerability."

SeverityLow

CVSS2.1

Exploit probability—

ProductXen

PublishedNov 21, 2012

First seenNov 21, 2012

How to fix

Vendor advisories

security.gentoo.org/glsa/201604-03

Affected products

Product	Affected versions	Fixed in
xen xen	3.4.0, 3.4.1, 3.4.2, 3.4.3, 3.4.4, 4.0.0, 4.0.1, 4.0.2, 4.0.3, 4.0.4, 4.1.0, 4.1.1, 4.1.2, 4.1.3, 4.2.0	—

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