CVE-2011-2491

Severity CVSS v4.0:

Pending analysis

Type:

CWE-400 Uncontrolled Resource Consumption ('Resource Exhaustion')

Publication date:

01/03/2013

Last modified:

11/04/2025

Description

The Network Lock Manager (NLM) protocol implementation in the NFS client functionality in the Linux kernel before 3.0 allows local users to cause a denial of service (system hang) via a LOCK_UN flock system call.

Impact

Vector 2.0

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

Base Score: 4.90 MEDIUM
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C

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

Base Score 2.0

4.90

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::		3.0 (excluding)
cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:::::::*
cpe:2.3:o:redhat:enterprise_linux_server:5.0:::::::*
cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:::::::*

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

CVE-2011-2491

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools