patches/kernel/0263-carl9170-prevent-speculative-execution.patch

   1 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
   2 From: Elena Reshetova <elena.reshetova@intel.com>
   3 Date: Mon, 4 Sep 2017 13:11:47 +0300
   4 Subject: [PATCH] carl9170: prevent speculative execution
   5 MIME-Version: 1.0
   6 Content-Type: text/plain; charset=UTF-8
   7 Content-Transfer-Encoding: 8bit
   8
   9 CVE-2017-5753
  10 CVE-2017-5715
  11
  12 Real commit text tbd
  13
  14 Signed-off-by: Elena Reshetova <elena.reshetova@intel.com>
  15 Signed-off-by: Tim Chen <tim.c.chen@linux.intel.com>
  16 Signed-off-by: Andy Whitcroft <apw@canonical.com>
  17 Signed-off-by: Kleber Sacilotto de Souza <kleber.souza@canonical.com>
  18 (cherry picked from commit dc218eba4fe8241ab073be41a068f6796450c6d0)
  19 Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
  20 ---
  21  drivers/net/wireless/ath/carl9170/main.c | 1 +
  22  1 file changed, 1 insertion(+)
  23
  24 diff --git a/drivers/net/wireless/ath/carl9170/main.c b/drivers/net/wireless/ath/carl9170/main.c
  25 index 988c8857d78c..7e2c1c870a1d 100644
  26 --- a/drivers/net/wireless/ath/carl9170/main.c
  27 +++ b/drivers/net/wireless/ath/carl9170/main.c
  28 @@ -1388,6 +1388,7 @@ static int carl9170_op_conf_tx(struct ieee80211_hw *hw,
  29
  30         mutex_lock(&ar->mutex);
  31         if (queue < ar->hw->queues) {
  32 +               gmb();
  33                 memcpy(&ar->edcf[ar9170_qmap[queue]], param, sizeof(*param));
  34                 ret = carl9170_set_qos(ar);
  35         } else {
  36 --
  37 2.14.2
  38