Patch "ipv6: sr: fix out-of-bounds access in SRH validation" has been added to the 4.10-stable tree

This is a note to let you know that I've just added the patch titled

ipv6: sr: fix out-of-bounds access in SRH validation

to the 4.10-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
ipv6-sr-fix-out-of-bounds-access-in-srh-validation.patch
and it can be found in the queue-4.10 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

From: David Lebrun <[email protected]>
Date: Tue, 18 Apr 2017 17:59:49 +0200
Subject: ipv6: sr: fix out-of-bounds access in SRH validation

From: David Lebrun <[email protected]>

[ Upstream commit 2f3bb64247b5b083d05ccecad9c2e139bbfdc294 ]

This patch fixes an out-of-bounds access in seg6_validate_srh() when the trailing data is less than sizeof(struct sr6_tlv).

---
 net/ipv6/seg6.c |    3 +++
 1 file changed, 3 insertions(+)

@@ -53,6 +53,9 @@ bool seg6_validate_srh(struct ipv6_sr_hd
 		struct sr6_tlv *tlv;
 		unsigned int tlv_len;
 
+		if (trailing < sizeof(*tlv))
+			return false;
+
 		tlv = (struct sr6_tlv *)((unsigned char *)srh + tlv_offset);
 		tlv_len = sizeof(*tlv) + tlv->len;
 

Patches currently in stable-queue which might be from [email protected] are

queue-4.10/ipv6-sr-fix-double-free-of-skb-after-handling-invalid-srh.patch queue-4.10/ipv6-sr-fix-out-of-bounds-access-in-srh-validation.patch