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.
Metrics
CVSS 2.0 5.0/10
AV:N/AC:L/Au:N/C:N/I:N/A:PAffected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000852Patch, Vendor Advisory
- http://lwn.net/Articles/91964/Patch, Vendor Advisory
- http://marc.info/?l=bugtraq&m=108861141304495&w=2
- http://www.gentoo.org/security/en/glsa/glsa-200407-12.xmlPatch, Vendor 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=000852Patch, Vendor Advisory
- http://lwn.net/Articles/91964/Patch, Vendor Advisory
- http://marc.info/?l=bugtraq&m=108861141304495&w=2
- http://www.gentoo.org/security/en/glsa/glsa-200407-12.xmlPatch, Vendor Advisory
- http://www.novell.com/linux/security/advisories/2004_20_kernel.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/16554
Timeline
- Published
- Dec 6, 2004
- Last modified
- Jun 16, 2026
- NVD status
- Modified