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

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CVE-2012-5375

Severity CVSS v4.0:
Pending analysis
Type:
CWE-310 Cryptographic Issues
Publication date:
18/02/2013
Last modified:
11/04/2025

Description

The CRC32C feature in the Btrfs implementation in the Linux kernel before 3.8-rc1 allows local users to cause a denial of service (prevention of file creation) by leveraging the ability to write to a directory important to the victim, and creating a file with a crafted name that is associated with a specific CRC32C hash value.

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:*:*:*:*:*:*:*:* 3.8 (including)
cpe:2.3:o:linux:linux_kernel:3.0:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0:rc6:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0:rc7:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.4:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.5:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.6:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.0.7:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools