What is CVE-2004-0626?

CVE-2004-0626 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.0 out of 10. CVE-2004-0626 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2004-0626?

CVE-2004-0626 has a CVSS score of 5.0 out of 10, rated Medium severity. The vector string is AV:N/AC:L/Au:N/C:N/I:N/A:P.

Is there a patch available for CVE-2004-0626?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2004-0626 patch availability.

Is CVE-2004-0626 actively exploited?

CVE-2004-0626 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2004-0626

Medium

The tcp_find_option function of the netfilter subsystem in Linux kernel 2.6, when using iptables and TCP options rules, allows remote attackers to cause a denial of service (CPU consumption by infinite loop) via a large option length that produces a negative integer after a casting operation to the char type.

Package Linux Kernel

Published 2004-12-06

Last modified 2026-04-16

CVSS version 2.0

Patch available

Awaiting data

CVSS 2.0 score

5.0

out of 10

Medium

Attack Vector

Network

Attack Complexity

Low

Privileges Required

User Interaction

Scope

Confidentiality

Low

Integrity

None

Availability

Vector string

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

References

6 total

Distro
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000852

Patch Vendor Advisory
Lwn
http://lwn.net/Articles/91964/

Patch Vendor Advisory
Gentoo
http://www.gentoo.org/security/en/glsa/glsa-200407-12.xml

Patch Vendor Advisory
Marc
http://marc.info/?l=bugtraq&m=108861141304495&w=2
Novell
http://www.novell.com/linux/security/advisories/2004_20_kernel.html

Showing 5 of 6 references View all on NVD

Details

CVE ID CVE-2004-0626

Severity Medium

CVSS score 5.0 / 10

CVSS version 2.0

Published 2004-12-06

Modified 2026-04-16

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2004-0626?

CVE-2004-0626 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.0 out of 10 . CVE-2004-0626 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2004-0626?

CVE-2004-0626 has a CVSS score of 5.0 out of 10, rated Medium severity (CVSS 2.0). The vector string is AV:N/AC:L/Au:N/C:N/I:N/A:P.
Is there a patch available for CVE-2004-0626?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2004-0626 patch availability.
Is CVE-2004-0626 actively exploited?

No. CVE-2004-0626 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.