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| author | Jouni Malinen <jouni@qca.qualcomm.com> | 2011-09-21 16:13:07 +0300 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-09-21 15:58:24 -0400 |
| commit | 1b9ca0272ffae212e726380f66777b30a56ed7a5 (patch) | |
| tree | dd91eefd0ee5fe21ba06816a4a25cc2303603744 /Documentation/x86 | |
| parent | 65d0f19e583e80e42b1c67c166bfc4dfdf6ab693 (diff) | |
| download | lwn-1b9ca0272ffae212e726380f66777b30a56ed7a5.tar.gz lwn-1b9ca0272ffae212e726380f66777b30a56ed7a5.zip | |
cfg80211: Fix validation of AKM suites
Incorrect variable was used in validating the akm_suites array from
NL80211_ATTR_AKM_SUITES. In addition, there was no explicit
validation of the array length (we only have room for
NL80211_MAX_NR_AKM_SUITES).
This can result in a buffer write overflow for stack variables with
arbitrary data from user space. The nl80211 commands using the affected
functionality require GENL_ADMIN_PERM, so this is only exposed to admin
users.
Cc: stable@kernel.org
Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'Documentation/x86')
0 files changed, 0 insertions, 0 deletions