UNKNOWN NVD
CVE-2026-80568
In the Linux kernel, the following vulnerability has been resolved: Input: synaptics-rmi4 - block s_input when F54 queue is busy Changing the input (diagnosti
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).
References
- https://git.kernel.org/stable/c/1d718f1461766e9f00a8dbeb4f13f1b1c19d90ac
- https://git.kernel.org/stable/c/493ba8e794729649689438edba72337111303cc4
- https://git.kernel.org/stable/c/7e994a9ecc0b49ad2fe63da9c92a8aca8a6614af
- https://git.kernel.org/stable/c/cae79513f9115c350561b16f36adcb47c9bfff12
- https://git.kernel.org/stable/c/ddd9a53faf3b65e5920cb802cb1db6f4615bdfef
This unknown severity vulnerability was published on 2026-08-26 via NVD.
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