CVE-2011-2928

Severity CVSS v4.0:

Pending analysis

Type:

CWE-476 NULL Pointer Dereference

Publication date:

29/08/2011

Last modified:

11/04/2025

Description

The befs_follow_link function in fs/befs/linuxvfs.c in the Linux kernel before 3.1-rc3 does not validate the length attribute of long symlinks, which allows local users to cause a denial of service (incorrect pointer dereference and OOPS) by accessing a long symlink on a malformed Be filesystem.

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::::::::		3.1 (excluding)
cpe:2.3:o:linux:linux_kernel:3.1:-::::::
cpe:2.3:o:linux:linux_kernel:3.1:rc1::::::
cpe:2.3:o:linux:linux_kernel:3.1:rc2::::::

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

CVE-2011-2928

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools