Edward Adam Davis
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d3fd52ffc5
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USB: usbtmc: prevent kernel-usb-infoleak
commit 625fa77151f00c1bd00d34d60d6f2e710b3f9aad upstream.
The syzbot reported a kernel-usb-infoleak in usbtmc_write,
we need to clear the structure before filling fields.
Fixes: 4ddc645f40e9 ("usb: usbtmc: Add ioctl for vendor specific write")
Reported-and-tested-by: syzbot+9d34f80f841e948c3fdb@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=9d34f80f841e948c3fdb
Signed-off-by: Edward Adam Davis <eadavis@qq.com>
Cc: stable <stable@kernel.org>
Link: https://lore.kernel.org/r/tencent_9649AA6EC56EDECCA8A7D106C792D1C66B06@qq.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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2024-11-23 23:21:16 +01:00 |
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