Linux Kernel Vulnerability in f2fs Affecting Various Distributions

CVE-2025-38219

What is CVE-2025-38219?

A vulnerability has been identified in the Linux kernel's f2fs file system, which can occur due to corrupted images leading to a negative i_nlink value. This can cause kernel warnings, affecting system stability during file operations, particularly unlinking. The issue has been documented and subsequently resolved in later kernel releases, emphasizing the importance of keeping the kernel updated to avoid potential disruptions in file system operations.

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