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authorTudor Ambarus <tudor.ambarus@microchip.com>2017-09-28 17:14:54 +0300
committerMarcel Holtmann <marcel@holtmann.org>2017-10-06 20:35:47 +0200
commit168ed65483a1777c2570f4c0a4a64e20a823cf25 (patch)
treef172be688f1c1b396c8646dcf0c604c86a7cb0ec /net/bluetooth
parent3814baf3f2473226e479fc1f4f48d01de2ce0a7b (diff)
downloadlinux-168ed65483a1777c2570f4c0a4a64e20a823cf25.tar.bz2
Bluetooth: ecdh_helper - fix leak of private key
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 <tudor.ambarus@microchip.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'net/bluetooth')
-rw-r--r--net/bluetooth/ecdh_helper.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/bluetooth/ecdh_helper.c b/net/bluetooth/ecdh_helper.c
index 22c8daa0b451..16e022f5ab27 100644
--- a/net/bluetooth/ecdh_helper.c
+++ b/net/bluetooth/ecdh_helper.c
@@ -122,7 +122,7 @@ free_all:
free_req:
kpp_request_free(req);
free_tmp:
- kfree(tmp);
+ kzfree(tmp);
return err;
}