CVE-2015-2925

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

16/11/2015

Last modified:

12/04/2025

Description

The prepend_path function in fs/dcache.c in the Linux kernel before 4.2.4 does not properly handle rename actions inside a bind mount, which allows local users to bypass an intended container protection mechanism by renaming a directory, related to a "double-chroot attack."

Impact

Vector 2.0

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

Base Score: 6.90 MEDIUM
Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C

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

Base Score 2.0

6.90

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::		3.2.72 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	3.3 (including)	3.4.110 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	3.5 (including)	3.10.91 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	3.11 (including)	3.12.49 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	3.13 (including)	3.14.55 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	3.15 (including)	3.16.35 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	3.17 (including)	3.18.23 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	3.19 (including)	4.1.11 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.2 (including)	4.2.4 (excluding)
cpe:2.3:o:debian:debian_linux:7.0:::::::*
cpe:2.3:o:debian:debian_linux:8.0:::::::*
cpe:2.3:o:canonical:ubuntu_linux:12.04::::-:::
cpe:2.3:o:canonical:ubuntu_linux:14.04::::esm:::
cpe:2.3:o:canonical:ubuntu_linux:15.04:::::::*

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

CVE-2015-2925

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools