Deadlock Vulnerability in Linux Kernel SMB Client
CVE-2025-38244

Currently unrated

Key Information:

Vendor

Linux

Status
Vendor
CVE Published:
9 July 2025

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.

Affected Version(s)

Linux d7d7a66aacd6fd8ca57baf08a7bac5421282f6f8

Linux d7d7a66aacd6fd8ca57baf08a7bac5421282f6f8 < 7f3ead8ebc0ef65b6c89a13912b4e80218425629

Linux d7d7a66aacd6fd8ca57baf08a7bac5421282f6f8

References

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2025-38244 : Deadlock Vulnerability in Linux Kernel SMB Client