net/ipv4/ip_gre.c in the Linux kernel before 2.6.34, when ip_gre is configured as a module, allows remote attackers to cause a denial of service (OOPS) by sending a packet during module loading.
ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.34
git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=c2892f02712e9516d72841d5c019ed6916329794
www.openwall.com/lists/oss-security/2011/05/05/6
bugzilla.redhat.com/show_bug.cgi?id=702303
github.com/torvalds/linux/commit/c2892f02712e9516d72841d5c019ed6916329794