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Vigil@nce - libvirt: NULL pointer dereference via lxcDomainGetMemoryParameters

January 2014 by Vigil@nce

This bulletin was written by Vigil@nce : http://vigilance.fr/offer

SYNTHESIS OF THE VULNERABILITY

An attacker can dereference a NULL pointer in
lxcDomainGetMemoryParameters of libvirt, in order to trigger a
denial of service.

Impacted products: openSUSE, Unix (platform)

Severity: 2/4

Creation date: 31/12/2013

DESCRIPTION OF THE VULNERABILITY

The libvirt library provides a standard interface on several
virtualization products (Xen, QEMU, KVM, etc.).

The lxcDomainGetMemoryParameters function is used to obtain
information about the memory. However, it does not check if a
pointer is NULL, before using it.

An attacker can therefore dereference a NULL pointer in
lxcDomainGetMemoryParameters of libvirt, in order to trigger a
denial of service.

ACCESS TO THE COMPLETE VIGIL@NCE BULLETIN

http://vigilance.fr/vulnerability/libvirt-NULL-pointer-dereference-via-lxcDomainGetMemoryParameters-14006


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