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

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CVE-2012-4565

Severity CVSS v4.0:
Pending analysis
Type:
CWE-189 Numeric Errors
Publication date:
21/12/2012
Last modified:
11/04/2025

Description

The tcp_illinois_info function in net/ipv4/tcp_illinois.c in the Linux kernel before 3.4.19, when the net.ipv4.tcp_congestion_control illinois setting is enabled, allows local users to cause a denial of service (divide-by-zero error and OOPS) by reading TCP stats.

Impact

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

Base Score: 4.70 MEDIUM
Vector: AV:L/AC:M/Au:N/C:N/I:N/A:C

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

Base Score 2.0
4.70
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 3.4.18 (including)
cpe:2.3:o:linux:linux_kernel:3.4.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.4.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.4.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.4.4:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.4.5:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.4.6:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.4.7:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.4.8:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.4.9:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.4.10:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.4.11:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.4.12:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.4.13:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.4.14:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools