Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: clocksource/drivers/shtmu: Always leave the device running after a probe. The TMU device can be used both as a clocksource and as a clockevent provider. The driver attempts to manage its own power state and clock settings—turning...

CVE-2026-43227

In the Linux kernel, the following vulnerability has been resolved: clocksource/drivers/shtmu: 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...

CVE-2026-43227

CVE-2026-43227 affects the Linux kernel’s clocksource/sh_tmu driver. The vulnerability arises when the TMU is used as both clocksource and clockevent provider and the driver tries to power/clocks state via pm_runtime_() and clk_ () while holding raw spinlocks. This mismatch between spinlock conte...