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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)
committerLuiz Augusto von Dentz <luiz.von.dentz@intel.com>
Wed, 2 Nov 2022 23:37:00 +0000 (16:37 -0700)
commitb1a2cd50c0357f243b7435a732b4e62ba3157a2e
treeceec3609656a914482076fb2d16f24ab05438949tree | snapshot
parentf937b758a188d6fd328a81367087eddbb2fce50fcommit | diff
Bluetooth: L2CAP: Fix attempting to access uninitialized memory

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>
net/bluetooth/l2cap_core.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git