Vulnerability in Linux Kernel Affecting NTFS File System Handling

CVE-2026-74570

What is CVE-2026-74570?

A vulnerability in the Linux kernel's NTFS file system management has been identified, specifically related to the calculations of reallocating runlist sizes. The issue stemmed from inadequate checks for potential overflows during the conversion of runlist element counts to byte sizes. This security flaw may lead to unintended behavior or exposure and has now been resolved through the addition of a shared helper function that safely performs these calculations, enhancing overall file system integrity.

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