CVE-2026-43135
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Memory Leak in Linux Kernel Media 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: media: cx23885: Add missing unmap in snd_cx23885_hw_params() In error path, add cx23885_alsa_dma_unmap() to release the resource acquired by cx23885_alsa_dma_map().
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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-2026-43135
EUVD
EUVD-2026-27697
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 in the Linux kernel, specifically in the media component for the cx23885 device. It involves a missing unmap operation in the function snd_cx23885_hw_params(). In an error path, the function cx23885_alsa_dma_unmap() was not called to release resources that were previously acquired by cx23885_alsa_dma_map(). This missing unmap could lead to resource leaks.

Impact Analysis

The impact of this vulnerability is related to resource management within the Linux kernel's media driver for cx23885. Because resources are not properly released in error conditions, it could lead to resource leaks, which might degrade system performance or stability over time. However, no specific CVSS score or detailed impact information is provided.

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