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

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CVE-2007-5501

Severity CVSS v4.0:
Pending analysis
Type:
CWE-399 Resource Management Errors
Publication date:
15/11/2007
Last modified:
09/04/2025

Description

The tcp_sacktag_write_queue function in net/ipv4/tcp_input.c in Linux kernel 2.6.21 through 2.6.23.7, and 2.6.24-rc through 2.6.24-rc2, allows remote attackers to cause a denial of service (crash) via crafted ACK responses that trigger a NULL pointer dereference.

Impact

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

Base Score: 7.80 HIGH
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C

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

Base Score 2.0
7.80
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:linux:linux_kernel:2.6.21:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.21:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.21:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.21:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.21:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.21:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.21:rc6:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.21:rc7:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.21.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.21.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.21.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.21.4:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.21.5:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.21.6:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.21.7:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools