CVE-2014-5045

Severity CVSS v4.0:

Pending analysis

Type:

CWE-59 Link Following

Publication date:

01/08/2014

Last modified:

12/04/2025

Description

The mountpoint_last function in fs/namei.c in the Linux kernel before 3.15.8 does not properly maintain a certain reference count during attempts to use the umount system call in conjunction with a symlink, which allows local users to cause a denial of service (memory consumption or use-after-free) or possibly have unspecified other impact via the umount program.

Impact

Vector 2.0

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

Base Score: 6.20 MEDIUM
Vector: AV:L/AC:H/Au:N/C:C/I:C/A:C

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

Base Score 2.0

6.20

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::		3.15.8 (excluding)
cpe:2.3:o:redhat:enterprise_linux_eus:6.5:::::::*
cpe:2.3:o:redhat:enterprise_linux_server_aus:6.5:::::::*
cpe:2.3:o:redhat:enterprise_linux_server_tus:6.5:::::::*

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

CVE-2014-5045

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools