cve 2025 40217

  1. Linux Kernel CVE-2025-40217 Hardened pidfs ioctls to prevent type confusion

    Linux kernel maintainers have pushed a small but important hardening fix for CVE-2025-40217 — a validation shortcoming in the pidfs ioctl handling — closing a class of type‑confusion and buffer‑size risks by introducing stricter checks for extensible ioctls used by PID file descriptor helpers...
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    • cve 2025 40217 linux kernel pidfs ioctls security hardening
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