CVE-2023-53596

In the Linux kernel, the following vulnerability has been resolved: drivers: base: Free devm resources when unregistering a device In the current code, devres_release_all() only gets called if the device has a bus and has been probed. This leads to issues when using bus-less or driver-less devices where the device might never get freed if a managed resource holds a reference to the device. This is happening in the DRM framework for example. We should thus call devres_release_all() in the device_del() function to make sure that the device-managed actions are properly executed when the device is unregistered, even if it has neither a bus nor a driver. This is effectively the same change than commit 2f8d16a996da ("devres: release resources on device_del()") that got reverted by commit a525a3ddeaca ("driver core: free devres in device_release") over memory leaks concerns. This patch effectively combines the two commits mentioned above to release the resources both on device_del() and device_release() and get the best of both worlds.

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/297992e5c63528e603666e36081836204fc36ec9	Patch
https://git.kernel.org/stable/c/3bcc4c2a096e8342c8c719e595ce15de212694dd	Patch
https://git.kernel.org/stable/c/699fb50d99039a50e7494de644f96c889279aca3	Patch
https://git.kernel.org/stable/c/c8c426fae26086a0ca8ab6cc6da2de79810ec038	Patch

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::

History

No history.

Information

Published : 2025-10-04 16:15

Updated : 2026-03-21 00:54

NVD link : CVE-2023-53596

Mitre link : CVE-2023-53596

CVE.ORG link : CVE-2023-53596

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-415

Double Free

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