Merge tag 'mac80211-for-net-2020-10-08' of git://git.kernel.org/pub/s…

…cm/linux/kernel/git/jberg/mac80211 Johannes Berg says: ==================== pull-request: mac80211 2020-10-08 A single fix for missing input validation in nl80211. ==================== Signed-off-by: Jakub Kicinski <kuba@kernel.org>
mariux64 · Oct 8, 2020 · a9e54cb · a9e54cb
2 parents cfe90f4 + 3dc289f
commit a9e54cb
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
@@ -4172,6 +4172,9 @@ static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
 	if (err)
 		return err;
 
+	if (key.idx < 0)
+		return -EINVAL;
+
 	if (info->attrs[NL80211_ATTR_MAC])
 		mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);