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

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CVE-2011-1768

Severity CVSS v4.0:
Pending analysis
Type:
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Publication date:
13/06/2012
Last modified:
11/04/2025

Description

The tunnels implementation in the Linux kernel before 2.6.34, when tunnel functionality is configured as a module, allows remote attackers to cause a denial of service (OOPS) by sending a packet during module loading.

Impact

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

Base Score: 5.40 MEDIUM
Vector: AV:N/AC:H/Au:N/C:N/I:N/A:C

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

Base Score 2.0
5.40
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 2.6.33.20 (including)
cpe:2.3:o:linux:linux_kernel:2.6.33:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.33.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.33.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.33.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.33.4:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.33.5:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.33.6:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.33.7:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.33.8:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.33.9:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.33.10:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.33.11:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.33.12:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.33.13:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools