cve 2025 40307

  1. ExFAT CVE-2025-40307: Kernel Bitmap Validation Patch Prevents Data Loss

    A freshly published Linux-kernel CVE exposes a subtle but dangerous logic error in the exFAT driver: crafted filesystems can trick the kernel into treating allocation-bitmap clusters as free, allowing exFAT to zero and re-use clusters that should remain reserved — a flaw fixed by adding a...
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    • cve 2025 40307 data integrity exfat removable media security
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    • Forum: Security Alerts