cve 2025 38218

About this tag
CVE-2025-38218 is a Linux kernel vulnerability in the F2FS (Flash-Friendly File System) driver that involves a metadata-checking bug. This flaw can cause kernel panics when mounting specially crafted or improperly resized F2FS images. Microsoft has explicitly attested that Azure Linux contains the vulnerable F2FS component, but other Microsoft-distributed kernels and images may also be affected. Users and administrators should verify their specific product builds and kernel configurations to determine exposure. The vulnerability is addressed by an upstream patch for the F2FS driver.

  1. Understanding CVE-2025-38218: F2FS Patch and Azure Linux Attestations

    A focused upstream patch for the Linux kernel's F2FS driver resolved a subtle but consequential metadata-checking bug that could trigger kernel panics when mounting deliberately malformed or improperly resized F2FS images, and Microsoft’s public guidance makes one thing clear: Azure Linux is the...