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

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CVE-2013-1957

Severity CVSS v4.0:
Pending analysis
Type:
CWE-264 Permissions, Privileges, and Access Control
Publication date:
24/04/2013
Last modified:
11/04/2025

Description

The clone_mnt function in fs/namespace.c in the Linux kernel before 3.8.6 does not properly restrict changes to the MNT_READONLY flag, which allows local users to bypass an intended read-only property of a filesystem by leveraging a separate mount namespace.

Impact

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

Base Score: 4.70 MEDIUM
Vector: AV:L/AC:M/Au:N/C:C/I:N/A:N

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

Base Score 2.0
4.70
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 3.8.5 (including)
cpe:2.3:o:linux:linux_kernel:3.8.0:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.8.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.8.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.8.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.8.4:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools