From: Vegard Nossum <[email protected]> See cc9b17ad29ecaa20bfe426a8d4dbfb94b13ff1cc.
Cc: Jason Wang <[email protected]> Cc: David S. Miller <[email protected]> Signed-off-by: Vegard Nossum <[email protected]> --- net/core/sock.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/net/core/sock.c b/net/core/sock.c index 0b39e7a..c16246f 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -117,6 +117,7 @@ #include <linux/static_key.h> #include <linux/memcontrol.h> #include <linux/prefetch.h> +#include <linux/exploit.h> #include <asm/uaccess.h> @@ -1753,8 +1754,10 @@ struct sk_buff *sock_alloc_send_pskb(struct sock *sk, unsigned long header_len, int i; err = -EMSGSIZE; - if (npages > MAX_SKB_FRAGS) + if (npages > MAX_SKB_FRAGS) { + exploit("CVE-2012-2136"); goto failure; + } timeo = sock_sndtimeo(sk, noblock); while (!skb) { -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
