UNKNOWN NVD
CVE-2026-90208
In the Linux kernel, the following vulnerability has been resolved: clocksource/drivers/samsung_pwm: Switch to raw_spinlock_t type Samsung PWM timer might be
In the Linux kernel, the following vulnerability has been resolved:
clocksource/drivers/samsung_pwm: Switch to raw_spinlock_t type
Samsung PWM timer might be used as a clock source on some legacy systems.
When PREEMPT_RT is enabled on ARM, regular spinlock is converted to a
sleeping lock (mutex-based), which must not be used in atomic context
such as hard interrupt handlers. Switch the samsung_pwm_lock to the
raw_spinlock, which remains a true non-sleeping spinlock even
under PREEMPT_RT.
References
- https://git.kernel.org/stable/c/3b212f9d70805d91febae01d618868f4860e267c
- https://git.kernel.org/stable/c/7eb5764d25c4ac7f5d126621660f7219b61fd2fd
This unknown severity vulnerability was published on 2026-09-17 via NVD.
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