Xbox Remote Driver DMA Violation in Linux Kernel

Publication date: 2026-05-28

Last updated on: 2026-06-10

Assigner: kernel.org

Description

In the Linux kernel, the following vulnerability has been resolved: media: rc: xbox_remote: heed DMA restrictions The buffer for IO must not be part of the device structure because that violates the DMA coherency rules.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-05-28

Last Modified

2026-06-10

Generated

2026-07-08

AI Q&A

2026-05-28

EPSS Evaluated

2026-07-06

NVD

CVE-2026-46236

EUVD

EUVD-2026-32754

Affected Vendors & Products

Vendor	Product	Version / Range
linux	linux_kernel	From 5.16 (inc) to 6.1.175 (exc)
linux	linux_kernel	From 5.11 (inc) to 5.15.209 (exc)
linux	linux_kernel	From 6.2 (inc) to 6.6.140 (exc)
linux	linux_kernel	From 6.13 (inc) to 6.18.32 (exc)
linux	linux_kernel	From 6.7 (inc) to 6.12.90 (exc)
linux	linux_kernel	From 6.19 (inc) to 7.0.9 (exc)
linux	linux_kernel	From 5.0 (inc) to 5.10.258 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This vulnerability exists in the Linux kernel, specifically in the media: rc: xbox_remote component. It involves improper handling of the buffer for IO operations, where the buffer is part of the device structure. This design violates DMA (Direct Memory Access) coherency rules, which are critical for ensuring data integrity during memory operations.

Impact Analysis

Because the buffer for IO is incorrectly part of the device structure, violating DMA coherency rules, this could lead to data corruption or unexpected behavior during DMA operations. This may affect the stability and reliability of the device or system using the vulnerable Linux kernel component.

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