CVE-2015-7813

Xen 4.4.x-4.6.x - Denial of Service via Unlimited printk Console Messages

Title source: llm
STIX 2.1

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.

References (7)

Core 7
Core References
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 vendor-advisory x_refsource_debian
http://www.debian.org/security/2015/dsa-3414
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_sectrack
http://www.securitytracker.com/id/1034029
Vendor Advisory x_refsource_confirm
http://xenbits.xen.org/xsa/advisory-146.html

Scores

EPSS 0.0008
EPSS Percentile 22.7%

Details

CWE
CWE-399
Status published
Products (5)
xen/xen 4.4.0 (2 CPE variants)
xen/xen 4.4.1
xen/xen 4.5.0
xen/xen 4.5.1
xen/xen 4.6.0
Published Oct 30, 2015
Tracked Since Feb 18, 2026