CVE-2015-7813

Publication date 30 October 2015

Last updated 24 July 2024


Ubuntu priority

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.

Status

Package Ubuntu Release Status
xen 15.10 wily
Fixed 4.5.1-0ubuntu1.1
15.04 vivid
Fixed 4.5.0-1ubuntu4.3
14.04 LTS trusty
Fixed 4.4.2-0ubuntu0.14.04.3
12.04 LTS precise
Not affected