Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2012-3520

Severity CVSS v4.0:
Pending analysis
Type:
CWE-287 Authentication Issues
Publication date:
03/10/2012
Last modified:
11/04/2025

Description

The Netlink implementation in the Linux kernel before 3.2.30 does not properly handle messages that lack SCM_CREDENTIALS data, which might allow local users to spoof Netlink communication via a crafted message, as demonstrated by a message to (1) Avahi or (2) NetworkManager.

Impact

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

Base Score: 1.90 LOW
Vector: AV:L/AC:M/Au:N/C:N/I:P/A:N

Attack Vector (AV): Local
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): None
Integrity (I): Physical
Availability (A): None

Base Score 2.0
1.90
Severity 2.0
LOW

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 3.2.29 (including)
cpe:2.3:o:linux:linux_kernel:2.3.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.3.20:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.3.21:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.3.22:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.3.23:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.3.24:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.3.25:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.3.26:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.3.27:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.3.28:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.3.29:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.4.33.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.13.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.23.2:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools