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Commit b0fd0b85 authored by Jakub Kicinski's avatar Jakub Kicinski Committed by Greg Kroah-Hartman
Browse files

nl80211: add missing attribute validation for critical protocol indication 



commit 0e1a1d853ecedc99da9d27f9f5c376935547a0e2 upstream.

Add missing attribute validation for critical protocol fields
to the netlink policy.

Fixes: 5de17984 ("cfg80211: introduce critical protocol indication from user-space")
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
Link: https://lore.kernel.org/r/20200303051058.4089398-2-kuba@kernel.org


Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent c684f4f6

net/wireless/nl80211.c

+2 −0
Original line number Diff line number Diff line
@@ -530,6 +530,8 @@ const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = { 
	[NL80211_ATTR_MDID] = { .type = NLA_U16 },

	[NL80211_ATTR_IE_RIC] = { .type = NLA_BINARY,

				  .len = IEEE80211_MAX_DATA_LEN },

	[NL80211_ATTR_CRIT_PROT_ID] = { .type = NLA_U16 },

	[NL80211_ATTR_MAX_CRIT_PROT_DURATION] = { .type = NLA_U16 },

	[NL80211_ATTR_PEER_AID] =

		NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),

	[NL80211_ATTR_CH_SWITCH_COUNT] = { .type = NLA_U32 },