Deadlock Vulnerability in Linux Kernel SMB Client

CVE-2025-38244

What is CVE-2025-38244?

A vulnerable section in the Linux kernel's SMB client can lead to a potential deadlock situation upon reconnecting channels. This issue arises when the cifs_signal_cifsd_for_reconnect() function fails to acquire locks in the correct order, resulting in a circular locking dependency. The vulnerability could prevent users from successfully re-establishing connections, thereby impacting their operational efficiency.

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