CVE-2014-1895

Medium

Description

Off-by-one error in the flask_security_avc_cachestats function in xsm/flask/flask_op.c in Xen 4.2.x and 4.3.x, when the maximum number of physical CPUs are in use, allows local users to cause a denial of service (host crash) or obtain sensitive information from hypervisor memory by leveraging a FLASK_AVC_CACHESTAT hypercall, which triggers a buffer over-read.

SeverityMedium
CVSS5.8
Exploit probability—
ProductXen
PublishedApr 1, 2014
First seenApr 1, 2014

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
xen xen4.2.0, 4.2.1, 4.2.2, 4.2.3, 4.3.0, 4.3.1—

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