The tcp_read_sock function in net/ipv4/tcp.c in the Linux kernel before 2.6.34 does not properly manage skb consumption, which allows local users to cause a denial of service (system crash) via a crafted splice system call for a TCP socket.
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=baff42ab1494528907bf4d5870359e31711746ae
rhn.redhat.com/errata/RHSA-2013-1051.html
www.openwall.com/lists/oss-security/2013/05/29/11
bugzilla.redhat.com/show_bug.cgi?id=968484
github.com/torvalds/linux/commit/baff42ab1494528907bf4d5870359e31711746ae