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VULNERABILITIES

CVE-2026-80568 Details

Description

In the Linux kernel, the following vulnerability has been resolved: Input: synaptics-rmi4 - block s_input when F54 queue is busy Changing the input (diagnostic report type) mid-stream changes the report size. Since V4L2 buffers are allocated based on the size at stream start, changing the input while streaming could lead to a heap buffer overflow if the new size is larger than the allocated buffers. Prevent this by blocking VIDIOC_S_INPUT with -EBUSY if the V4L2 queue is busy (streaming).

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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URLSource(s)Tag(s)
https://git.kernel.org/stable/c/1d718f1461766e9f00a8dbeb4f13f1b1c19d90ac kernel.org
https://git.kernel.org/stable/c/493ba8e794729649689438edba72337111303cc4 kernel.org
https://git.kernel.org/stable/c/7e994a9ecc0b49ad2fe63da9c92a8aca8a6614af kernel.org
https://git.kernel.org/stable/c/cae79513f9115c350561b16f36adcb47c9bfff12 kernel.org
https://git.kernel.org/stable/c/ddd9a53faf3b65e5920cb802cb1db6f4615bdfef kernel.org

see all 8 references

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

QUICK INFO

CVE Dictionary Entry:
CVE-2026-80568
NVD Published Date:
Aug 26, 2026
NVD Last Modified:
Aug 27, 2026
Source:
kernel.org
CVE-2026-80568 Details - Not Deferred