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SYNTHESIS OF THE VULNERABILITY

An attacker can use several vulnerabilities of Xen.
Impacted products: Debian, Fedora, openSUSE, openSUSE Leap, SUSE
Linux Enterprise Desktop, SLES, Xen.

Severity: 2/4.

Creation date: 29/10/2015.

Revision date: 30/10/2015.

DESCRIPTION OF THE VULNERABILITY

Several vulnerabilities were announced in Xen.

An attacker can trigger a fatal error in Preempting Multicall, in
order to trigger a denial of service. [severity:1/4;
CVE-2015-7812, XSA-145]

An attacker can trigger a fatal error in Rate Limiting, in order
to trigger a denial of service. [severity:1/4; CVE-2015-7813,
XSA-146]

An attacker can create/destroy domains, to trigger a fatal error,
in order to trigger a denial of service. [severity:1/4;
CVE-2015-7814, XSA-147]

An attacker, who is administrator in a guest system, can
manipulate the memory, in order to execute code on the host
system. [severity:2/4; CVE-2015-7835, qsb-022-2015, XSA-148]

An attacker can create a memory leak in Per-domain Vcpu Pointer
Array, in order to trigger a denial of service. [severity:1/4;
CVE-2015-7969, XSA-149]

An attacker can consume resources during a populate-on-demand, in
order to trigger a denial of service. [severity:1/4;
CVE-2015-7970, XSA-150]

An attacker can create a memory leak in Per-domain Vcpu Pointer
Array on x86, in order to trigger a denial of service.
[severity:1/4; CVE-2015-7969, XSA-151]

An attacker can use HYPERCALL_xenoprof_op and
HYPERVISOR_xenpmu_op, in order to trigger a denial of service.
[severity:1/4; CVE-2015-7971, XSA-152]

An attacker can trigger a fatal error in "populate-on-demand
balloon", in order to trigger a denial of service. [severity:1/4;
CVE-2015-7972, XSA-153]

ACCESS TO THE COMPLETE VIGIL@NCE BULLETIN

http://vigilance.fr/vulnerability/Xen-nine-vulnerabilities-18214