CVE-2011-2519

Severity CVSS v4.0:

Pending analysis

Type:

CWE-476 NULL Pointer Dereference

Publication date:

27/12/2013

Last modified:

11/04/2025

Description

Xen in the Linux kernel, when running a guest on a host without hardware assisted paging (HAP), allows guest users to cause a denial of service (invalid pointer dereference and hypervisor crash) via the SAHF instruction.

Impact

Vector 2.0

AV:A/AC:L/Au:S/C:N/I:N/A:C CVSS v2.0 Severity and Metrics:

Base Score: 5.50 MEDIUM
Vector: AV:A/AC:L/Au:S/C:N/I:N/A:C

Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Authentication (Au): Single
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete

Base Score 2.0

5.50

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:xen:xen::::::::		3.3.0 (excluding)
cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:::::::*
cpe:2.3:o:redhat:enterprise_linux_server:5.0:::::::*
cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:::::::*

To consult the complete list of CPE names with products and versions, see this page

CVE-2011-2519

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools