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

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CVE-2012-2119

Severity CVSS v4.0:
Pending analysis
Type:
CWE-119 Buffer Errors
Publication date:
22/01/2013
Last modified:
11/04/2025

Description

Buffer overflow in the macvtap device driver in the Linux kernel before 3.4.5, when running in certain configurations, allows privileged KVM guest users to cause a denial of service (crash) via a long descriptor with a long vector length.

Impact

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

Base Score: 5.20 MEDIUM
Vector: AV:A/AC:M/Au:S/C:N/I:N/A:C

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

Base Score 2.0
5.20
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 3.4.4 (including)
cpe:2.3:o:linux:linux_kernel:3.4:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.4.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.4.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.4.3:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools