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-rw-r--r--net/xfrm/xfrm_user.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index 9705c279494b..cdf887fa61d5 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -415,6 +415,9 @@ static inline int xfrm_replay_verify_len(struct xfrm_replay_state_esn *replay_es
if (nla_len(rp) < ulen || xfrm_replay_state_esn_len(replay_esn) != ulen)
return -EINVAL;
+ if (up->replay_window > up->bmp_len * sizeof(__u32) * 8)
+ return -EINVAL;
+
return 0;
}