CVE-2026-23217 riscv: trace: fix snapshot deadlock with sbi ecall

In the Linux kernel, the following vulnerability has been resolved: riscv: trace: fix snapshot deadlock with sbi ecall If sbiecall.c's functions are traceable, echo "sbiecall:snapshot" /sys/kernel/tracing/setftracefilter may get the kernel into a deadlock. Functions in sbiecall.c are excluded fro...

CVE-2026-23217

CVE-2026-23217 relates to the Linux kernel on RISC-V where tracing the sbi_ecall functions can cause a deadlock in the snapshot path. The root cause is that sbi_ecall triggers a ringbuffer snapshot which may re-enter __sbi_ecall via an IPI, creating an endless loop when initial __sbi_ecall is pre...

CVE-2026-23217 riscv: trace: fix snapshot deadlock with sbi ecall

In the Linux kernel, the following vulnerability has been resolved: riscv: trace: fix snapshot deadlock with sbi ecall If sbiecall.c's functions are traceable, echo "sbiecall:snapshot" /sys/kernel/tracing/setftracefilter may get the kernel into a deadlock. Functions in sbiecall.c are excluded fro...