Memory Access Vulnerability in Linux Kernel Affecting Btrfs
CVE-2025-21679

Currently unrated

Key Information:

Vendor: Linux
Status: Linux
Vendor: CVE Published:; 31 January 2025

What is CVE-2025-21679?

A vulnerability in the Linux kernel's Btrfs file system arises from inadequate error handling within the get_canonical_dev_path() function. When the d_path() function fails and returns an error, it can lead to an invalid memory access during the subsequent strscpy() call, potentially allowing for unexpected behavior or crashes. Proper error handling has been added to mitigate this issue, ensuring the stability and security of the Linux kernel.

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