From: Eric Sesterhenn <eric.sesterhenn@xxxxxxxxxxx> Add missing counter decrement to prevent out of bounds memory read. Signed-off-by: Eric Sesterhenn <eric.sesterhenn@xxxxxxxxxxx> Acked-by: Florian Westphal <fw@xxxxxxxxx> Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx> --- net/netfilter/nf_conntrack_h323_asn1.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/netfilter/nf_conntrack_h323_asn1.c b/net/netfilter/nf_conntrack_h323_asn1.c index 7831aa1effc9..cf1bf2605c10 100644 --- a/net/netfilter/nf_conntrack_h323_asn1.c +++ b/net/netfilter/nf_conntrack_h323_asn1.c @@ -877,6 +877,7 @@ int DecodeQ931(unsigned char *buf, size_t sz, Q931 *q931) if (sz < 1) break; len = *p++; + sz--; if (sz < len) break; p += len; -- 2.11.0 -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
