CVE-2026-80568

Input: synaptics-rmi4 - block s_input when F54 queue is busy

State: Published
Severity: 7.8 High
Published: Aug 26, 2026
Updated: Aug 27, 2026
Reserved: Aug 26, 2026

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).

Scores

CVSS	Score	Vector	Source
3.1	7.8 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	Linux

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	3a762dbd5347514c3cb2ac756a92a3d1c7646a2d to before 7e994a9ecc0b49ad2fe63da9c92a8aca8a6614afAffected 3a762dbd5347514c3cb2ac756a92a3d1c7646a2d to before fa69f93015becf3729716de2199b58540aa99672Affected 3a762dbd5347514c3cb2ac756a92a3d1c7646a2d to before 493ba8e794729649689438edba72337111303cc4Affected 3a762dbd5347514c3cb2ac756a92a3d1c7646a2d to before 1d718f1461766e9f00a8dbeb4f13f1b1c19d90acAffected 3a762dbd5347514c3cb2ac756a92a3d1c7646a2d to before cae79513f9115c350561b16f36adcb47c9bfff12Affected 3a762dbd5347514c3cb2ac756a92a3d1c7646a2d to before ff0849705d29277fd1f6fc6596674b9308724fb2Affected 3a762dbd5347514c3cb2ac756a92a3d1c7646a2d to before ddd9a53faf3b65e5920cb802cb1db6f4615bdfefAffected 3a762dbd5347514c3cb2ac756a92a3d1c7646a2d to before fbfd76746adc16d64be29ff113f673b70bc3f5c2Affected
LinuxLinux	4.9Affected before 4.9Not affected 5.10.266 through 5.10.Not affected 5.15.217 through 5.15.Not affected 6.1.184 through 6.1.Not affected 6.6.153 through 6.6.Not affected 6.12.105 through 6.12.Not affected 6.18.46 through 6.18.Not affected 7.1.10 through 7.1.*Not affected 7.2 and laterNot affected

Product

Versions

LinuxLinux

3a762dbd5347514c3cb2ac756a92a3d1c7646a2d to before 7e994a9ecc0b49ad2fe63da9c92a8aca8a6614afAffected
3a762dbd5347514c3cb2ac756a92a3d1c7646a2d to before fa69f93015becf3729716de2199b58540aa99672Affected
3a762dbd5347514c3cb2ac756a92a3d1c7646a2d to before 493ba8e794729649689438edba72337111303cc4Affected
3a762dbd5347514c3cb2ac756a92a3d1c7646a2d to before 1d718f1461766e9f00a8dbeb4f13f1b1c19d90acAffected
3a762dbd5347514c3cb2ac756a92a3d1c7646a2d to before cae79513f9115c350561b16f36adcb47c9bfff12Affected
3a762dbd5347514c3cb2ac756a92a3d1c7646a2d to before ff0849705d29277fd1f6fc6596674b9308724fb2Affected
3a762dbd5347514c3cb2ac756a92a3d1c7646a2d to before ddd9a53faf3b65e5920cb802cb1db6f4615bdfefAffected
3a762dbd5347514c3cb2ac756a92a3d1c7646a2d to before fbfd76746adc16d64be29ff113f673b70bc3f5c2Affected

LinuxLinux

4.9Affected
before 4.9Not affected
5.10.266 through 5.10.*Not affected
5.15.217 through 5.15.*Not affected
6.1.184 through 6.1.*Not affected
6.6.153 through 6.6.*Not affected
6.12.105 through 6.12.*Not affected
6.18.46 through 6.18.*Not affected
7.1.10 through 7.1.*Not affected
7.2 and laterNot affected

References

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