CVE-2025-71287
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Memory Leak in MediaTek SMI Driver

Publication date: 2026-05-06

Last updated on: 2026-05-06

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: memory: mtk-smi: fix device leak on larb probe Make sure to drop the reference taken when looking up the SMI device during larb probe on late probe failure (e.g. probe deferral) and on driver unbind.
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Meta Information
Published
2026-05-06
Last Modified
2026-05-06
Generated
2026-06-16
AI Q&A
2026-05-06
EPSS Evaluated
2026-06-15
NVD
CVE-2025-71287
EUVD
EUVD-2025-209676
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux_kernel linux_kernel *
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Exploitability
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CWE ID Description
CWE-UNKNOWN
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Executive Summary

This vulnerability is related to the Linux kernel's memory management, specifically in the mtk-smi component. It involves a device reference leak during the larb probe process. The issue occurs when the system looks up the SMI device during the larb probe and fails to properly drop the reference if the probe is deferred or if the driver is unbound. This can lead to resource leaks.

Impact Analysis

The impact of this vulnerability is a device reference leak in the Linux kernel's mtk-smi driver during larb probe failures. This leak can cause resource exhaustion or instability in the system due to unreleased device references, potentially affecting system performance or reliability.

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