Concurrency Issue in Linux Kernel's hfsplus Filesystem
CVE-2025-38650
What is CVE-2025-38650?
The hfsplus filesystem of the Linux kernel has a concurrency-related issue that arises during operations such as file truncation and attribute changes. These operations can lead to multiple threads attempting to lock a shared extents tree concurrently, resulting in unexpected warnings. The implemented fix aims to avoid potential deadlock scenarios during file operations by ensuring that the check for locked extents is appropriately handled. If the extree is locked by one thread while another attempts to perform actions on it, this can trigger abnormal behavior and subject the system to unnecessary warnings.
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Affected Version(s)
Linux 31651c607151f1034cfb57e5a78678bea54c362b < 0807e4ac59a546f2346961c5e26a98901594b205
Linux 31651c607151f1034cfb57e5a78678bea54c362b
Linux 31651c607151f1034cfb57e5a78678bea54c362b < 14922f0cc92e010b160121679c0a6ca072f4e975