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CVE-2015-7813

Published: 30 October 2015

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.

Priority

Low

Status

Package Release Status
xen
Launchpad, Ubuntu, Debian
precise Not vulnerable
(4.1.6.1-0ubuntu0.12.04.6)
trusty
Released (4.4.2-0ubuntu0.14.04.3)
upstream Needs triage

vivid
Released (4.5.0-1ubuntu4.3)
wily
Released (4.5.1-0ubuntu1.1)
Binaries built from this source package are in Universe and so are supported by the community.