Unchecked Return Value in Linux kernel - CVE-2026-80567
Published: August 27, 2026
Vulnerability identifier: #VU145921
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-80567
CWE-ID: CWE-252
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to disclose sensitive information.
The vulnerability exists due to improper handling of worker errors in rmi_f54_buffer_queue() in the synaptics-rmi4 F54 driver when processing queued V4L2 buffers. A local user can trigger a worker failure to disclose sensitive information.
Stale or uninitialized memory may be delivered to userspace if report acquisition fails.
Affected software
Linux kernel
How to mitigate CVE-2026-80567
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3
External References
- https://git.kernel.org/stable/c/2b0403fb7e28f65883cd03814b62c9aa9bc7f04d
- https://git.kernel.org/stable/c/305c24ee25b6e08ac9f4c5f697e823cc638c38da
- https://git.kernel.org/stable/c/6741a8c21d98088b7f2d9f4f86a706d311ce34a2
- https://git.kernel.org/stable/c/70f9aad3943559af6f32cb303744f35c05ce9cf1
- https://git.kernel.org/stable/c/7d33b752e0df385b285492b74699fc73b6becdfb
- https://git.kernel.org/stable/c/8786d74bf50e6797b6f655eb381ef6b25451161f
- https://git.kernel.org/stable/c/9bbd3682f8a3e064271547133c37fcb17668d860
- https://git.kernel.org/stable/c/be56730b547737151f24357d832b04aaa93755d5