BaseFortify

Publication date: 2025-11-12

Last updated on: 2025-11-12

Assigner: kernel.org

Description

In the Linux kernel, the following vulnerability has been resolved: ASoC: Intel: bytcr_rt5640: Fix invalid quirk input mapping When an invalid value is passed via quirk option, currently bytcr_rt5640 driver only shows an error message but leaves as is. This may lead to unepxected results like OOB access. This patch corrects the input mapping to the certain default value if an invalid value is passed.

CVSS Scores

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Meta Information

Published

2025-11-12

Last Modified

2025-11-12

Generated

2026-07-06

AI Q&A

2025-11-13

EPSS Evaluated

2026-07-05

NVD

CVE-2025-40154

Affected Vendors & Products

Vendor	Product	Version / Range
intel	bytcr_rt5640	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This vulnerability exists in the Linux kernel's bytcr_rt5640 driver for Intel ASoC. When an invalid value is passed via the quirk option, the driver currently only shows an error message but does not correct the value, which may lead to unexpected results such as out-of-bounds (OOB) access. The patch fixes this by correcting the input mapping to a certain default value if an invalid value is passed.

Impact Analysis

The vulnerability can lead to unexpected behavior in the system, including potential out-of-bounds memory access, which may cause system instability, crashes, or potentially allow exploitation depending on the context of the OOB access.

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