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author | Luis R. Rodriguez <mcgrof@do-not-panic.com> | 2013-11-05 21:18:01 +0400 |
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committer | Johannes Berg <johannes.berg@intel.com> | 2013-11-25 23:51:02 +0400 |
commit | e438768ff9b22c83a968e14b79e8c83128e8bfe4 (patch) | |
tree | 956366ad035f64af8965c3a737eaa74598d1e1b6 /net/wireless/sysfs.c | |
parent | cc493e4f5296f4da111f25ea4a216bb77270ccc6 (diff) | |
download | linux-e438768ff9b22c83a968e14b79e8c83128e8bfe4.tar.xz |
cfg80211: check regulatory request alpha2 early
Currently nl80211 allows userspace to send the kernel
a bogus regulatory domain with at most 32 rules set
and it won't reject it until after its allocated
memory. Let's be smart about it and take advantage
that the last_request is now available under RTNL
and check if the alpha2 matches an expected request
and reject any bogus userspace requests prior to
hitting the memory allocator.
Signed-off-by: Luis R. Rodriguez <mcgrof@do-not-panic.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/wireless/sysfs.c')
0 files changed, 0 insertions, 0 deletions