cve 2025 38194

About this tag
CVE-2025-38194 is a vulnerability in the JFFS2 (Journalling Flash File System version 2) component of the Linux kernel. Microsoft has publicly attested that Azure Linux is a confirmed potentially affected product for this CVE, meaning Azure Linux ships the vulnerable JFFS2 code. However, this attestation is scoped to Azure Linux and does not guarantee that other Microsoft-distributed Linux kernel artifacts, such as WSL2 kernel builds, Azure VM/kernel images, or other Linux-based images published by Microsoft, are free of the same vulnerable code. The presence of JFFS2 depends on kernel version and build configuration. Users should check Microsoft's official guidance for their specific products.

  1. Azure Linux CVE-2025-38194: JFFS2 vulnerability and MSRC attestation explained

    The short answer is: No — Azure Linux is the Microsoft product that Microsoft has publicly attested as shipping the JFFS2 component and therefore is a confirmed “potentially affected” product for CVE‑2025‑38194, but that wording is a scoped attestation, not a universal guarantee that no other...
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