Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2012-2625

Severity CVSS v4.0:
Pending analysis
Type:
CWE-20 Input Validation
Publication date:
31/10/2012
Last modified:
11/04/2025

Description

The PyGrub boot loader in Xen unstable before changeset 25589:60f09d1ab1fe, 4.2.x, and 4.1.x allows local para-virtualized guest users to cause a denial of service (memory consumption) via a large (1) bzip2 or (2) lzma compressed kernel image.

Impact

Vector 2.0
AV:A/AC:L/Au:S/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 2.70 LOW
Vector: AV:A/AC:L/Au:S/C:N/I:N/A:P

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

Base Score 2.0
2.70
Severity 2.0
LOW

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:xen:xen:4.1.0:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.1.1:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.1.2:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.1.3:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:4.2.0:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen-unstable:*:*:*:*:*:*:*:* 25589\:60f09d1ab1fe (excluding)

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


References to Advisories, Solutions, and Tools