What is CVE-2007-2172?

CVE-2007-2172 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.7 out of 10, classified as a Improper Input Validation flaw (CWE-20). CVE-2007-2172 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2007-2172?

CVE-2007-2172 has a CVSS score of 4.7 out of 10, rated Medium severity. The vector string is AV:L/AC:M/Au:N/C:N/I:N/A:C.

Is there a patch available for CVE-2007-2172?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2007-2172 patch availability.

Is CVE-2007-2172 actively exploited?

CVE-2007-2172 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2007-2172

Medium

A typo in Linux kernel 2.6 before 2.6.21-rc6 and 2.4 before 2.4.35 causes RTA_MAX to be used as an array size instead of RTN_MAX, which leads to an "out of bound access" by the (1) dn_fib_props (dn_fib.c, DECNet) and (2) fib_props (fib_semantics.c, IPv4) functions.

Package Linux Kernel

Published 2007-04-22

Last modified 2026-04-23

CVSS version 2.0

Patch available

Awaiting data

CVSS 2.0 score

4.7

out of 10

Medium

Attack Vector

Local

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

None

Integrity

None

Availability

Vector string

AV:L/AC:M/Au:N/C:N/I:N/A:C

Weakness type

CWE-20

CVE-2007-2172 is a Improper Input Validation vulnerability

What is Improper Input Validation?

The product receives input but does not validate it correctly, allowing attackers to craft inputs that cause unexpected behavior. Learn more on MITRE CWE

References

32 total

Kernel.org
http://kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.21-rc6

Vendor Advisory
Kernel.org
http://www.kernel.org/pub/linux/kernel/v2.4/ChangeLog-2.4.35

Vendor Advisory
Securityfocus
http://www.securityfocus.com/bid/23447

Patch Third Party Advisory VDB Entry Vendor Advisory
Red Hat
http://rhn.redhat.com/errata/RHSA-2007-0488.html

Third Party Advisory
Secunia
http://secunia.com/advisories/25068

Third Party Advisory

Showing 5 of 32 references View all on NVD

Details

CVE ID CVE-2007-2172

Severity Medium

CVSS score 4.7 / 10

CVSS version 2.0

Published 2007-04-22

Modified 2026-04-23

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2007-2172?

CVE-2007-2172 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.7 out of 10 , classified as an Improper Input Validation flaw (CWE-20) . CVE-2007-2172 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2007-2172?

CVE-2007-2172 has a CVSS score of 4.7 out of 10, rated Medium severity (CVSS 2.0). The vector string is AV:L/AC:M/Au:N/C:N/I:N/A:C.
Is there a patch available for CVE-2007-2172?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2007-2172 patch availability.
Is CVE-2007-2172 actively exploited?

No. CVE-2007-2172 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.