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| author | Srinivas Dasari <dasaris@qti.qualcomm.com> | 2017-07-07 01:43:42 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2017-07-07 11:24:31 +0200 |
| commit | d7f13f7450369281a5d0ea463cc69890a15923ae (patch) | |
| tree | 6dc8749c061563fb004e70f65bb3cb179ac18e9e /certs | |
| parent | 8feb69c7bd89513be80eb19198d48f154b254021 (diff) | |
| download | linux-d7f13f7450369281a5d0ea463cc69890a15923ae.tar.bz2 | |
cfg80211: Validate frequencies nested in NL80211_ATTR_SCAN_FREQUENCIES
validate_scan_freqs() retrieves frequencies from attributes
nested in the attribute NL80211_ATTR_SCAN_FREQUENCIES with
nla_get_u32(), which reads 4 bytes from each attribute
without validating the size of data received. Attributes
nested in NL80211_ATTR_SCAN_FREQUENCIES don't have an nla policy.
Validate size of each attribute before parsing to avoid potential buffer
overread.
Fixes: 2a519311926 ("cfg80211/nl80211: scanning (and mac80211 update to use it)")
Cc: stable@vger.kernel.org
Signed-off-by: Srinivas Dasari <dasaris@qti.qualcomm.com>
Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'certs')
0 files changed, 0 insertions, 0 deletions