misdn

  1. CVE-2024-42280 Linux mISDN hfcmulti UAF: Fix and Mitigation

    A subtle pointer mix-up in the Linux kernel’s mISDN telephony driver — a use‑after‑free in hfcmulti_tx() — landed as CVE‑2024‑42280 and serves as another clear reminder that tiny lifecycle mistakes in kernel code can produce outsized operational pain for operators and vendors alike. The flaw is...
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    • kernel patch linux kernel misdn uaf vulnerability
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    • Forum: Security Alerts

  2. Linux Kernel CVE-2025-39833 hfcpci Uninitialized Timer Fix

    A subtle but important Linux kernel bug has been cataloged as CVE-2025-39833: a latent fault in the mISDN hfcpci driver that triggers a kernel debug warning / OOPS when deleting an uninitialized timer during module unload, and has been fixed upstream by initializing the timer properly and...