In the Linux kernel, the following vulnerability has been resolved:
Bluetooth: SMP: force responder MITM requirements before building the pairing response
smp_cmd_pairing_req() currently builds the pairing response from the
initiator auth_req before enforcing the local BT_SECURITY_HIGH
requirement. If the initiator omits SMP_AUTH_MITM, the response can
also omit it even though the local side still requires MITM.
tk_request() then sees an auth value without SMP_AUTH_MITM and may
select JUST_CFM, making method selection inconsistent with the pairing
policy the responder already enforces.
When the local side requires HIGH security, first verify that MITM can
be achieved from the IO capabilities and then force SMP_AUTH_MITM in the
response in both rsp.auth_req and auth. This keeps the responder auth bits
and later method selection aligned.
References
Configurations
Configuration 1 (hide)
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History
15 May 2026, 20:01
| Type | Values Removed | Values Added |
|---|---|---|
| CWE | NVD-CWE-noinfo | |
| References | () https://git.kernel.org/stable/c/01bb4045d2306c266178f49ce0c3576d237a3040 - Patch | |
| References | () https://git.kernel.org/stable/c/425a22c5373d4e1b46492ab869074ebeeade61f3 - Patch | |
| References | () https://git.kernel.org/stable/c/7ab69426e7ecbd18a222ee2ec87ca612d30197d7 - Patch | |
| References | () https://git.kernel.org/stable/c/91649c02c1baaa18cedf7fb425fa1f0f852c8183 - Patch | |
| References | () https://git.kernel.org/stable/c/c8ff0ca6508535bccabd81c5c9dcc63de8a3d4fb - Patch | |
| References | () https://git.kernel.org/stable/c/d05111bfe37bfd8bd4d2dfe6675d6bdeef43f7c7 - Patch | |
| References | () https://git.kernel.org/stable/c/ec17efb1ef91506cfd17a77692eaf4bbacb520ea - Patch | |
| References | () https://git.kernel.org/stable/c/fa14e0e19820b1bbdb42185c9c4efa950bcffef9 - Patch | |
| CPE | cpe:2.3:o:linux:linux_kernel:7.0:rc6:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:7.0:rc4:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:7.0:rc3:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:7.0:rc5:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:7.0:rc2:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:* |
|
| First Time |
Linux linux Kernel
Linux |
11 May 2026, 08:16
| Type | Values Removed | Values Added |
|---|---|---|
| CVSS |
v2 : v3 : |
v2 : unknown
v3 : 8.8 |
08 May 2026, 14:16
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2026-05-08 14:16
Updated : 2026-05-15 20:01
NVD link : CVE-2026-43334
Mitre link : CVE-2026-43334
CVE.ORG link : CVE-2026-43334
JSON object : View
Products Affected
linux
- linux_kernel
CWE