CVE-2015-7813

Low

Description

Xen 4.4.x, 4.5.x, and 4.6.x does not limit the number of printk console messages when reporting unimplemented hypercalls, which allows local guests to cause a denial of service via a sequence of (1) HYPERVISOR_physdev_op hypercalls, which are not properly handled in the do_physdev_op function in arch/arm/physdev.c, or (2) HYPERVISOR_hvm_op hypercalls, which are not properly handled in the do_hvm_op function in arch/arm/hvm.c.

SeverityLow

CVSS2.1

Exploit probability—

ProductXen

PublishedOct 30, 2015

First seenOct 30, 2015

How to fix

Vendor advisories

security.gentoo.org/glsa/201604-03

Affected products

Product	Affected versions	Fixed in
xen xen	4.4.0, 4.4.1, 4.5.0, 4.5.1, 4.6.0	—

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