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CVE-2025-38735 Detail

Description

In the Linux kernel, the following vulnerability has been resolved: gve: prevent ethtool ops after shutdown A crash can occur if an ethtool operation is invoked after shutdown() is called. shutdown() is invoked during system shutdown to stop DMA operations without performing expensive deallocations. It is discouraged to unregister the netdev in this path, so the device may still be visible to userspace and kernel helpers. In gve, shutdown() tears down most internal data structures. If an ethtool operation is dispatched after shutdown(), it will dereference freed or NULL pointers, leading to a kernel panic. While graceful shutdown normally quiesces userspace before invoking the reboot syscall, forced shutdowns (as observed on GCP VMs) can still trigger this path. Fix by calling netif_device_detach() in shutdown(). This marks the device as detached so the ethtool ioctl handler will skip dispatching operations to the driver.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://git.kernel.org/stable/c/48a4e89d50e8ea52e800bc7865970b92fcf4647c kernel.org
https://git.kernel.org/stable/c/75a9a46d67f46d608205888f9b34e315c1786345 kernel.org
https://git.kernel.org/stable/c/9d8a41e9a4ff83ff666de811e7f012167cdc00e9 kernel.org
https://git.kernel.org/stable/c/a7efffeecb881b4649fdc30de020ef910f35d646 kernel.org
https://git.kernel.org/stable/c/ba51d73408edf815cbaeab148625576c2dd90192 kernel.org

Weakness Enumeration

CWE-ID CWE Name Source

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2025-38735
NVD Published Date:
09/05/2025
NVD Last Modified:
09/05/2025
Source:
kernel.org