Unchecked Return Value in Linux kernel - CVE-2026-97407
Published: September 25, 2026
Vulnerability identifier: #VU152055
CSH Severity: Low
CVSS v4: 0 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-97407
CWE-ID: CWE-252
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to access hardware registers while the device state is undefined.
The vulnerability exists due to an unchecked return value in rockchip_pdm_set_fmt() when resuming runtime power management. A local user can request an audio interface format change during a runtime resume failure to access hardware registers while the device state is undefined.
Affected software
Linux kernel
How to mitigate CVE-2026-97407
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3