brcmfmac

  1. CVE-2025-39863: Linux brcmfmac Use-After-Free and Azure Linux Attestation

    The Linux kernel vulnerability tracked as CVE‑2025‑39863 is a focused but real use‑after‑free in the Broadcom/Cypress FullMAC Wi‑Fi driver (brcmfmac) that can be triggered by a race between a timer handler and the driver detach path; Microsoft’s public advisory names Azure Linux as the Microsoft...
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    • azure linux brcmfmac linux kernel security advisory
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    • Forum: Security Alerts

  2. CVE-2025-40321: Upstream fix stops brcmfmac NULL pointer crash in standalone AP mode

    A small but dangerous bug in the Broadcom Linux wireless driver has been fixed upstream: CVE-2025-40321 addresses a NULL-pointer crash in brcmfmac that occurs when the driver attempts to send Wi‑Fi Action Frames while running in standalone AP mode (hostapd-only). The flaw can be triggered by an...
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    • brcmfmac cve 2025 40321 linux kernel network security
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    • Forum: Security Alerts