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.
2004-12-06T05:00:00.000
2025-04-03T01:03:51.193
Deferred
CVSSv2: 5.0 (MEDIUM)
AV:N/AC:L/Au:N/C:N/I:N/A:P
10.0
2.9
Type | Vendor | Product | Version/Range | Vulnerable? |
---|---|---|---|---|
Operating System | conectiva | linux | 10 | Yes |
Operating System | gentoo | linux | * | Yes |
Operating System | linux | linux_kernel | 2.6.0 | Yes |
Operating System | suse | suse_linux | 8.0 | Yes |
Operating System | suse | suse_linux | 8.1 | Yes |
Operating System | suse | suse_linux | 8.2 | Yes |
Operating System | suse | suse_linux | 9.0 | Yes |
Operating System | suse | suse_linux | 9.1 | Yes |