CVE-2015-7969

Xen 4.0-4.6.x - Denial of Service via Memory Leak in Hypercall Teardown

Title source: llm

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.

References (11)

Core 11

Core References

Vendor Advisory x_refsource_confirm

http://support.citrix.com/article/CTX202404

Mailing List, Third Party Advisory vendor-advisory x_refsource_fedora

http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171249.html

Mailing List, Third Party Advisory vendor-advisory x_refsource_fedora

http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171082.html

Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack

http://www.securitytracker.com/id/1034033

Vendor Advisory x_refsource_confirm

http://xenbits.xen.org/xsa/advisory-149.html

Mailing List vendor-advisory x_refsource_suse

http://lists.opensuse.org/opensuse-updates/2015-11/msg00063.html

Third Party Advisory vendor-advisory x_refsource_debian

http://www.debian.org/security/2015/dsa-3414

Vendor Advisory x_refsource_confirm

http://xenbits.xen.org/xsa/advisory-151.html

Mailing List, Third Party Advisory vendor-advisory x_refsource_fedora

http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171185.html

Third Party Advisory vendor-advisory x_refsource_gentoo

https://security.gentoo.org/glsa/201604-03

Third Party Advisory, VDB Entry vdb-entry x_refsource_bid

http://www.securityfocus.com/bid/77364

Scores

EPSS 0.0006

EPSS Percentile 17.3%

Details

CWE

CWE-399

Status published

Products (25)

xen/xen 4.0.0

xen/xen 4.0.1

xen/xen 4.0.2

xen/xen 4.0.3

xen/xen 4.0.4

xen/xen 4.1.0

xen/xen 4.1.1

xen/xen 4.1.2

xen/xen 4.1.3

xen/xen 4.1.4

... and 15 more

Published Oct 30, 2015

Tracked Since Feb 18, 2026