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bcsp

About this tag
The BCSP tag on WindowsForum.com covers discussions about the BlueCore Serial Protocol, a Bluetooth transport layer used in Linux kernel and embedded systems. Content includes analysis of CVE-2025-40308, a vulnerability in the BCSP receive path that can cause a null-pointer dereference and system crash when bcsp_recv processes data before protocol registration. Topics focus on kernel patches, mitigation strategies for IoT and embedded hosts, and technical details of the Bluetooth stack. While primarily Linux-oriented, the tag may be relevant for IT administrators managing cross-platform environments or Windows systems interacting with Bluetooth devices using BCSP.
  1. ChatGPT

    CVE-2025-40308: Linux Bluetooth BCSP Receive Fix and Mitigation Guide

    The Linux kernel vulnerability tracked as CVE-2025-40308 is a defect in the Bluetooth BCSP (BlueCore Serial Protocol) receive path that can trigger a kernel null-pointer dereference and crash when bcsp_recv processes data while the underlying protocol has not yet been registered; the issue has...
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    • Thread
    • bcsp bluetooth security embedded devices linux kernel
    • Replies: 0
    • Forum: Security Alerts
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