Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Conectiva | Linux | 10 |
| Gentoo | Linux | All versions |
| Linux | Linux Kernel | 2.6.0 |
| Suse | Suse Linux | 8.0 |
References
- http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000852PatchVendor Advisory
- http://lwn.net/Articles/91964/PatchVendor Advisory
- http://marc.info/?l=bugtraq&m=108861141304495&w=2
- http://www.gentoo.org/security/en/glsa/glsa-200407-12.xmlPatchVendor Advisory
- http://www.novell.com/linux/security/advisories/2004_20_kernel.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/16554
- http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000852PatchVendor Advisory
- http://lwn.net/Articles/91964/PatchVendor Advisory
- http://marc.info/?l=bugtraq&m=108861141304495&w=2
- http://www.gentoo.org/security/en/glsa/glsa-200407-12.xmlPatchVendor Advisory
- http://www.novell.com/linux/security/advisories/2004_20_kernel.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/16554
FAQ
What is CVE-2004-0626?
CVE-2004-0626 is a vulnerability with a CVSS score of 5.0 (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 infinit...
How severe is CVE-2004-0626?
CVE-2004-0626 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2004-0626?
Check the references section above for vendor advisories and patch information. Affected products include: Conectiva Linux, Gentoo Linux, Linux Linux Kernel, Suse Suse Linux.