CVE-2026-43138

In the Linux kernel, the following vulnerability has been resolved: reset: gpio: suppress bind attributes in sysfs This is a special device that's created dynamically and is supposed to stay in memory forever. We also currently don't have a devlink between it and the actual reset consumer. Suppress sysfs bind attributes so that user-space can't unbind the device because - as of now - it will cause a use-after-free splat from any user that puts the reset control handle.

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/09d6efc6abd42809956d598906c222ccd1c8ae92	Patch
https://git.kernel.org/stable/c/16de4c6a8fe9ff497ca1aba33ef0dbee09f11952	Patch
https://git.kernel.org/stable/c/1d7d869f074f98c34fe23f6a56e5f3acc1f95a2b	Patch
https://git.kernel.org/stable/c/76801c3dfca0ac6339a23e9615b5f23e25b8644c	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

11 Nov 2026, 21:10

Type	Values Removed	Values Added
Summary		(es) En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta: reset: gpio: suprimir atributos de enlace en sysfs Este es un dispositivo especial que se crea dinámicamente y se supone que debe permanecer en memoria para siempre. Tampoco tenemos actualmente un devlink entre él y el consumidor de reinicio real. Suprimir los atributos de enlace de sysfs para que el espacio de usuario no pueda desvincular el dispositivo porque - a partir de ahora - causará un splat de uso después de liberación de cualquier usuario que ponga el manejador de control de reinicio.

Information

Published : 2026-05-06 12:16

Updated : 2026-11-11 21:10

NVD link : CVE-2026-43138

Mitre link : CVE-2026-43138

CVE.ORG link : CVE-2026-43138

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-416

Use After Free

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