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CVE-2026-72304 Details

Description

In the Linux kernel, the following vulnerability has been resolved: ASoC: SOF: ipc4-control: Fix TOCTOU in sof_ipc4_bytes_put In sof_ipc4_bytes_put(), the copy size is derived from the old data->size in the buffer rather than the incoming new data's size field from ucontrol. If the new data has a different size, the copy uses the wrong length: it may truncate valid data or copy stale bytes. Fix by validating and using the incoming data's sof_abi_hdr.size from ucontrol before copying.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: kernel.orgCVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://git.kernel.org/stable/c/038406abde0d0883419ec89425ea941ec8bbef95	kernel.org
https://git.kernel.org/stable/c/266f936db83aee6ca6473bbb06259bda52bf4fc3	kernel.org
https://git.kernel.org/stable/c/3ad673e7139cf214afd24321a829aad6575f4163	kernel.org
https://git.kernel.org/stable/c/4cf6a7ebbf8787393b158b2cc341723e5bebc4a8	kernel.org
https://git.kernel.org/stable/c/fb4293173db2d474d8fbc0e5ecf4943e6df2b40e	kernel.org

Weakness Enumeration

No weakness enumeration is available for this CVE.

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

Date	Action	Recorded By
Aug 17, 2026	CVE Modified	kernel.org
Aug 15, 2026	New CVE Received	kernel.org