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(parent: c064476) | patch
Bluetooth: L2CAP: Fix attempting to access uninitialized memory
authorLuiz Augusto von Dentz <luiz.von.dentz@intel.com>
Mon, 31 Oct 2022 23:10:52 +0000 (16:10 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 10 Nov 2022 16:57:54 +0000 (17:57 +0100)
commit2215bc54523fb281d9f029b353c14ccdf9bcf07f
tree41badeee7b307b74a2eda3edb5ca246f7a8cf0e6tree | snapshot
parentc0644765de90e1cd6655fefbeee4aeb3ffd5b8cbcommit | diff
Bluetooth: L2CAP: Fix attempting to access uninitialized memory

commit b8e130e7157a5049dbea39bd8e8b1f07e04b677b upstream.

On l2cap_parse_conf_req the variable efs is only initialized if
remote_efs has been set.

CVE: CVE-2022-42895
CC: stable@vger.kernel.org
Reported-by: Tamás Koczka <poprdi@google.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Reviewed-by: Tedd Ho-Jeong An <tedd.an@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
net/bluetooth/l2cap_core.c diff | blob | history
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