CVE-2012-6036

Medium

Description

The (1) memc_save_get_next_page, (2) tmemc_restore_put_page and (3) tmemc_restore_flush_page functions in the Transcendent Memory (TMEM) in Xen 4.0, 4.1, and 4.2 do not check for negative id pools, which allows local guest OS users to cause a denial of service (memory corruption and host crash) or possibly execute arbitrary code via unspecified vectors. NOTE: this issue was originally published as part of CVE-2012-3497, which was too general; CVE-2012-3497 has been SPLIT into this ID and others.

SeverityMedium

CVSS4.4

Exploit probability—

ProductXen

PublishedNov 23, 2012

First seenNov 23, 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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