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Bluetooth: ecdh_helper - fix leak of private key

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tmp buffer contains the swapped private key. In case the setkey call
failed, the tmp buffer was freed without clearing the private key.

Zeroize the temporary buffer so we don't leak the private key.

Signed-off-by: Tudor Ambarus <[email protected]>
Signed-off-by: Marcel Holtmann <[email protected]>
This commit is contained in:
Tudor Ambarus 2017-09-28 17:14:54 +03:00 • committed by Marcel Holtmann
commit 168ed65483
1 changed files with 1 additions and 1 deletions
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2
net/bluetooth/ecdh_helper.c
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@ -122,7 +122,7 @@ free_all:
free_req:
kpp_request_free(req);
free_tmp:
kfree(tmp);
kzfree(tmp);
return err;
}