SUSE CVE-2025-68202

In the Linux kernel, the following vulnerability has been resolved: schedext: Fix unsafe locking in the scxdumpstate For built with CONFIGPREEMPTRT=y kernels, the dumplock will be converted sleepable spinlock and not disable-irq, so the following scenarios occur: inconsistent IN-HARDIRQ-W -...

CVE-2025-68202 sched_ext: Fix unsafe locking in the scx_dump_state()

In the Linux kernel, the following vulnerability has been resolved: schedext: Fix unsafe locking in the scxdumpstate For built with CONFIGPREEMPTRT=y kernels, the dumplock will be converted sleepable spinlock and not disable-irq, so the following scenarios occur: inconsistent IN-HARDIRQ-W -...

CVE-2025-68202

Summary of CVE-2025-68202 (Linux kernel) : The issue is a locking defect in sched_ext’s scx_dump_state() that could lead to a deadlock under PREEMPT_RT configurations. The root cause is unsafe locking where a sleepable spinlock (dump_lock) could be taken while interrupts are active, creating a po...