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Luiz Augusto von Dentz c1ad9bb3b0 Bluetooth: Disconnect if E0 is used for Level 4 
commit 8746f135bb upstream.

E0 is not allowed with Level 4:

BLUETOOTH CORE SPECIFICATION Version 5.2 | Vol 3, Part C page 1319:

  '128-bit equivalent strength for link and encryption keys
   required using FIPS approved algorithms (E0 not allowed,
   SAFER+ not allowed, and P-192 not allowed; encryption key
   not shortened'

SC enabled:

> HCI Event: Read Remote Extended Features (0x23) plen 13
        Status: Success (0x00)
        Handle: 256
        Page: 1/2
        Features: 0x0b 0x00 0x00 0x00 0x00 0x00 0x00 0x00
          Secure Simple Pairing (Host Support)
          LE Supported (Host)
          Secure Connections (Host Support)
> HCI Event: Encryption Change (0x08) plen 4
        Status: Success (0x00)
        Handle: 256
        Encryption: Enabled with AES-CCM (0x02)

SC disabled:

> HCI Event: Read Remote Extended Features (0x23) plen 13
        Status: Success (0x00)
        Handle: 256
        Page: 1/2
        Features: 0x03 0x00 0x00 0x00 0x00 0x00 0x00 0x00
          Secure Simple Pairing (Host Support)
          LE Supported (Host)
> HCI Event: Encryption Change (0x08) plen 4
        Status: Success (0x00)
        Handle: 256
        Encryption: Enabled with E0 (0x01)
[May 8 20:23] Bluetooth: hci0: Invalid security: expect AES but E0 was used
< HCI Command: Disconnect (0x01|0x0006) plen 3
        Handle: 256
        Reason: Authentication Failure (0x05)

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Cc: Hans-Christian Noren Egtvedt <hegtvedt@cisco.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-17 10:12:57 +02:00
..
acpi x86: ACPI: fix CPU hotplug deadlock 2020-04-23 10:30:20 +02:00
asm-generic include/asm-generic/vmlinux.lds.h: align ro_after_init 2020-08-19 08:15:06 +02:00
clocksource
crypto crypto: af_alg - fix use-after-free in af_alg_accept() due to bh_lock_sock() 2020-07-09 09:37:10 +02:00
drm drm/panel: make drm_panel.h self-contained 2020-01-27 14:51:01 +01:00
dt-bindings dt-bindings: reset: meson8b: fix duplicate reset IDs 2020-01-23 08:21:26 +01:00
keys KEYS: Don't write out to userspace while holding key semaphore 2020-04-23 10:30:24 +02:00
kvm KVM: arm/arm64: Sync ICH_VMCR_EL2 back when about to block 2019-08-25 10:47:59 +02:00
linux mm: khugepaged: recalculate min_free_kbytes after memory hotplug as expected by khugepaged 2020-10-14 10:31:26 +02:00
math-emu math-emu/soft-fp.h: (_FP_ROUND_ZERO) cast 0 to void to fix warning 2019-12-13 08:51:34 +01:00
media media: v4l2-device.h: Explicitly compare grp{id,mask} to zero in v4l2_device macros 2020-02-24 08:34:41 +01:00
memory
misc
net Bluetooth: Disconnect if E0 is used for Level 4 2020-10-17 10:12:57 +02:00
pcmcia
ras
rdma RDMA/core: Fix double destruction of uobject 2020-06-03 08:19:43 +02:00
scsi scsi: Revert "target: iscsi: Wait for all commands to finish before freeing a session" 2020-02-28 16:38:58 +01:00
soc irqchip/eznps: Fix build error for !ARC700 builds 2020-09-17 13:45:25 +02:00
sound ASoC: rt5670: Add new gpio1_is_ext_spk_en quirk and enable it on the Lenovo Miix 2 10 2020-07-29 10:16:58 +02:00
target scsi: target: fix hang when multiple threads try to destroy the same iscsi session 2020-04-21 09:03:11 +02:00
trace sctp: move trace_sctp_probe_path into sctp_outq_sack 2020-10-01 13:14:30 +02:00
uapi KVM: MIPS: Change the definition of kvm type 2020-09-23 12:10:59 +02:00
video udlfb: introduce a rendering mutex 2019-05-25 18:23:30 +02:00
xen xen/events: fix binding user event channels to cpus 2019-07-26 09:14:25 +02:00