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Candidate: CVE-2004-0626
References:
http://marc.theaimsgroup.com/?l=bugtraq&m=108861141304495&w=2
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000852
http://lwn.net/Articles/91964/
http://www.gentoo.org/security/en/glsa/glsa-200407-12.xml
http://www.novell.com/linux/security/advisories/2004_20_kernel.html
http://xforce.iss.net/xforce/xfdb/16554
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.
Notes:
jmm> The bug was introduced during a rewrite of the code that accesses the skb's
jmm> during earlier 2.6 kernels. 2.4 has the correct u_int8_t declaration.
Bugs:
upstream: released (2.6.8)
linux-2.6: N/A
2.6.8-sarge-security: N/A
2.4.27-sarge-security: N/A
2.4.19-woody-security: N/A
2.4.18-woody-security: N/A
2.4.17-woody-security: N/A
2.4.16-woody-security: N/A
2.4.17-woody-security-hppa: N/A
2.4.17-woody-security-ia64: N/A
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