mirrors
/
linux-stable
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
1
0
Fork 0
Code Issues Releases Wiki Activity

Just two netlink fixes, both allowing privileged users 

to crash the kernel with malformed netlink messages.
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCgAdFiEExu3sM/nZ1eRSfR9Ha3t4Rpy0AB0FAlnAxN8ACgkQa3t4Rpy0
 AB30Xw/+I4GXH2gVfqgizM8nBwSsC5qP4QFqRQmvM+Z9k4hShptb1xZEUMWRCXr5
 vZJUjAb3X+YiqfuhCgNnoyb9ZEKCsQ7zOYLP1sO7LmTsTn/BX33XGdFSPC+XQNXl
 UEsCuWnX/BtmL6rxRbFxR4suJzWF7bnlyMeQLqso153OGUoZHcMlp9zTWlwLlVzg
 Q33iBhoNN6PY6ZiFKsYhq3w60EozLMKIQO7NHUj4DVYoQRzQxxJImJ6/44ZmXjvX
 Fsu7tBNlcC/9sS3qYcdFWMrN4T9vpAYJFhFTGvlkf0rB7aXXBizpNuiYoDUALcl/
 llTT4jVwglP1oKyXlJ3zUrTRnMuA4kw/d03Be+f5n2oloxZRGFPVDNLdIDkqEKBM
 kc3BSfBTo3jH8xR57d6KZVaiS8C+0uvvmJYd9y+fltMqMUFOMa48GB9gcGZa3myJ
 R5eeb7CVIiiXxKIH+Ma6LRksavzQg0qqt5vtY4TWy3pz6NdL2lEjsPqli2NgGgGU
 5DD14Qs2rUflqtAW+KA321pO02aciZi/MAHHHgQu5wDhH6+20pPSqX9ypIJK1AbI
 35oFwCauWnfANe3GwFmkvKnRGOs+z8gLBE5kRtp3YX9b+tRbhvnVSYDyf78tU7u3
 SYJk+mKBlvTthBB1vMy+7s2xUhcTjCdLXs7e1BNJdN2gr/gDIJY=
 =097A
 -----END PGP SIGNATURE-----

Merge tag 'mac80211-for-davem-2017-11-19' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211

Johannes Berg says:

====================
Just two netlink fixes, both allowing privileged users
to crash the kernel with malformed netlink messages.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2017-09-19 10:51:08 -07:00
parent 3993491bf2 265698d7e6
commit fd0e4c5999
1 changed files with 6 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
net/wireless/nl80211.c
View File

@ -9987,6 +9987,9 @@ static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
if (err)
return err;
if (!setup.chandef.chan)
return -EINVAL;
err = validate_beacon_tx_rate(rdev, setup.chandef.chan->band,
&setup.beacon_rate);
if (err)
@ -10903,6 +10906,9 @@ static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info)
if (err)
return err;
if (!tb[NL80211_REKEY_DATA_REPLAY_CTR] || !tb[NL80211_REKEY_DATA_KEK] ||
!tb[NL80211_REKEY_DATA_KCK])
return -EINVAL;
if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN)
return -ERANGE;
if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN)