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| author | Luiz Augusto von Dentz <luiz.von.dentz@intel.com> | 2024-04-05 22:41:52 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-04-17 12:23:31 +0300 |
| commit | 419a0ffca7010216f0fc265b08558d7394fa0ba7 (patch) | |
| tree | 318e5e388c88a65be175a5ffe094ae722cc38886 /net/bluetooth/l2cap_sock.c | |
| parent | 2bfa1a0488407fb6376a2485f6db2d55b7bfbe4a (diff) | |
| download | linux-419a0ffca7010216f0fc265b08558d7394fa0ba7.tar.xz | |
Bluetooth: SCO: Fix not validating setsockopt user input
[ Upstream commit 51eda36d33e43201e7a4fd35232e069b2c850b01 ]
syzbot reported sco_sock_setsockopt() is copying data without
checking user input length.
BUG: KASAN: slab-out-of-bounds in copy_from_sockptr_offset
include/linux/sockptr.h:49 [inline]
BUG: KASAN: slab-out-of-bounds in copy_from_sockptr
include/linux/sockptr.h:55 [inline]
BUG: KASAN: slab-out-of-bounds in sco_sock_setsockopt+0xc0b/0xf90
net/bluetooth/sco.c:893
Read of size 4 at addr ffff88805f7b15a3 by task syz-executor.5/12578
Fixes: ad10b1a48754 ("Bluetooth: Add Bluetooth socket voice option")
Fixes: b96e9c671b05 ("Bluetooth: Add BT_DEFER_SETUP option to sco socket")
Fixes: 00398e1d5183 ("Bluetooth: Add support for BT_PKT_STATUS CMSG data for SCO connections")
Fixes: f6873401a608 ("Bluetooth: Allow setting of codec for HFP offload use case")
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'net/bluetooth/l2cap_sock.c')
0 files changed, 0 insertions, 0 deletions