CVE-2026-31773

A flaw was found in the Linux kernel's Bluetooth Security Manager Protocol SMP. The system incorrectly labels a Short Term Key STK as authenticated during legacy pairing, even when Man-in-the-Middle MITM protection was not established. This misrepresentation of the key's authentication status cou...

CVE-2026-31773

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: SMP: derive legacy responder STK authentication from MITM state The legacy responder path in smprandom currently labels the stored STK as authenticated whenever pendingseclevel is BTSECURITYHIGH. That reflects what the...

CVE-2026-31773

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: SMP: derive legacy responder STK authentication from MITM state The legacy responder path in smprandom currently labels the stored STK as authenticated whenever pendingseclevel is BTSECURITYHIGH. That reflects what the...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the STK authentication status in the Bluetooth SMP protocol not correctly reflecting the MITM status, which...