Linux Kernel Vulnerability in f2fs Filesystem
CVE-2025-38218

Currently unrated

Key Information:

Vendor: Linux
Status: Linux
Vendor: CVE Published:; 4 July 2025

What is CVE-2025-38218?

A vulnerability in the f2fs filesystem within the Linux kernel can lead to a kernel panic when mounting certain images. This occurs when resizing an image leads to inconsistent metadata due to an out-of-bounds condition on the sit_bitmap. The primary issue arises when the size of the sit bitmap does not correspond to the number of segments, allowing for potential system instability. The kernel now includes a sanity check to mitigate this risk and ensure stability during filesystem operations.

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