Rapid7 Vulnerability & Exploit Database

FreeBSD: xen-kernel -- leak of per-domain profiling-related vcpu pointer array (CVE-2015-7969)

Back to Search

FreeBSD: xen-kernel -- leak of per-domain profiling-related vcpu pointer array (CVE-2015-7969)

Severity
5
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:C)
Published
10/30/2015
Created
07/25/2018
Added
11/12/2015
Modified
11/12/2015

Description

Multiple memory leaks in Xen 4.0 through 4.6.x allow local guest administrators or domains with certain permission to cause a denial of service (memory consumption) via a large number of "teardowns" of domains with the vcpu pointer array allocated using the (1) XEN_DOMCTL_max_vcpus hypercall or the xenoprofile state vcpu pointer array allocated using the (2) XENOPROF_get_buffer or (3) XENOPROF_set_passive hypercall.

Solution(s)

  • freebsd-upgrade-package-xen-kernel

With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.

– Scott Cheney, Manager of Information Security, Sierra View Medical Center

;