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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2020-09-18 17:27:32 +0300 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2020-09-22 10:46:46 +0300 |
| commit | 6a950755cec1a90ddaaff3e4acb5333617441c32 (patch) | |
| tree | 1e9c7eba23a964ee60dcc4d7b7530d4728d1136d /drivers/net/wan/lapbether.c | |
| parent | aac352d6810ec9d4575464e0d46adb4885a78db9 (diff) | |
ath6kl: wmi: prevent a shift wrapping bug in ath6kl_wmi_delete_pstream_cmd()
The "tsid" is a user controlled u8 which comes from debugfs. Values
more than 15 are invalid because "active_tsids" is a 16 bit variable.
If the value of "tsid" is more than 31 then that leads to a shift
wrapping bug.
Fixes: 8fffd9e5ec9e ("ath6kl: Implement support for QOS-enable and QOS-disable from userspace")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200918142732.GA909725@mwanda
Diffstat (limited to 'drivers/net/wan/lapbether.c')
0 files changed, 0 insertions, 0 deletions