The veth (aka virtual Ethernet) driver in the Linux kernel before 2.6.34 does not properly manage skbs during congestion, which allows remote attackers to cause a denial of service (system crash) by leveraging lack of skb consumption in conjunction with a double-free error.
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=6ec82562ffc6f297d0de36d65776cff8e5704867
www.openwall.com/lists/oss-security/2013/04/29/10
bugzilla.redhat.com/show_bug.cgi?id=957705
github.com/torvalds/linux/commit/6ec82562ffc6f297d0de36d65776cff8e5704867
support.f5.com/csp/article/K39655464