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

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CVE-2011-3638

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
01/03/2013
Last modified:
11/04/2025

Description

fs/ext4/extents.c in the Linux kernel before 3.0 does not mark a modified extent as dirty in certain cases of extent splitting, which allows local users to cause a denial of service (system crash) via vectors involving ext4 umount and mount operations.

Impact

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

Base Score: 4.00 MEDIUM
Vector: AV:L/AC:H/Au:N/C:N/I:N/A:C

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

Base Score 2.0
4.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 3.0 (excluding)

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


References to Advisories, Solutions, and Tools