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

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CVE-2013-2851

Severity CVSS v4.0:
Pending analysis
Type:
CWE-134 Format String Vulnerability
Publication date:
07/06/2013
Last modified:
11/04/2025

Description

Format string vulnerability in the register_disk function in block/genhd.c in the Linux kernel through 3.9.4 allows local users to gain privileges by leveraging root access and writing format string specifiers to /sys/module/md_mod/parameters/new_array in order to create a crafted /dev/md device name.

Impact

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

Base Score: 6.00 MEDIUM
Vector: AV:L/AC:H/Au:S/C:C/I:C/A:C

Attack Vector (AV): Local
Attack Complexity (AC): High
Authentication (Au): Single
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete

Base Score 2.0
6.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 3.9.4 (including)
cpe:2.3:o:linux:linux_kernel:3.9:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.9:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.9:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.9:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.9:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.9:rc6:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.9:rc7:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.9.0:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.9.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.9.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.9.3:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools