Deadlock Vulnerability in Linux Kernel virtio-net Driver
CVE-2025-38551

Currently unrated

Key Information:

Vendor: Linux
Status: Linux
Vendor: CVE Published:; 16 August 2025

What is CVE-2025-38551?

A deadlock vulnerability exists in the virtio-net driver of the Linux kernel, triggered during the probing phase when a VMM sends a VIRTIO_NET_S_ANNOUNCE request. This issue can result in a recursive locking scenario involving the rtnl_lock(), leading to significant delays and potential system instability. The lock contention is caused by the virtio-net driver's inability to handle configuration changes smoothly while still probing, which complicates its operation and can degrade performance in virtualized environments.

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