CVE-2026-43227
MediumSummary
A vulnerability has been identified in the Linux kernel that has been resolved in the TMU driver. The issue was that the TMU device could be used as both a clocksource and a clockevent provider, and the driver improperly managed the device's power.
Risk Assessment
Improper power management of the device may lead to unpredictable system behavior and potential timing synchronization issues, affecting applications that rely on precise time measurement.
Recommendation
It is recommended to update the Linux kernel to the latest version to eliminate this vulnerability and ensure proper operation of the TMU driver.
Original NVD description (English source)
In the Linux kernel, the following vulnerability has been resolved: clocksource/drivers/sh_tmu: Always leave device running after probe The TMU device can be used as both a clocksource and a clockevent provider. The driver tries to be smart and power itself on and off, as well as enabling and disa