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| author | Mathy Vanhoef <vanhoefm@gmail.com> | 2013-11-28 12:21:45 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-01-09 12:25:12 -0800 |
| commit | d10d0a2337097fa907f22af6ad0ae0dc0ff39fbf (patch) | |
| tree | 15ee4f1e2a59a450453723f483bddb147c584d89 /drivers/net/wireless/ath/ath9k/main.c | |
| parent | 8d0085e1d969886ea00d97ef4e9d9de5d56585b3 (diff) | |
| download | lwn-d10d0a2337097fa907f22af6ad0ae0dc0ff39fbf.tar.gz lwn-d10d0a2337097fa907f22af6ad0ae0dc0ff39fbf.zip | |
ath9k_htc: properly set MAC address and BSSID mask
commit 657eb17d87852c42b55c4b06d5425baa08b2ddb3 upstream.
Pick the MAC address of the first virtual interface as the new hardware MAC
address. Set BSSID mask according to this MAC address. This fixes CVE-2013-4579.
Signed-off-by: Mathy Vanhoef <vanhoefm@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/main.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/main.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index 709301f88dcd..5ba0da9d1959 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -885,8 +885,9 @@ void ath9k_calculate_iter_data(struct ieee80211_hw *hw, struct ath_common *common = ath9k_hw_common(ah); /* - * Use the hardware MAC address as reference, the hardware uses it - * together with the BSSID mask when matching addresses. + * Pick the MAC address of the first interface as the new hardware + * MAC address. The hardware will use it together with the BSSID mask + * when matching addresses. */ memset(iter_data, 0, sizeof(*iter_data)); memset(&iter_data->mask, 0xff, ETH_ALEN); |