TI-2026-76636 CVE-2026-19595
Zephyr RTIO mempool syscall validates output pointers for read, not write
Priority LOW 26
The user-mode syscall verifier z_vrfy_rtio_cqe_get_mempool_buffer() in subsys/rtio/rtio_syscalls.c validated its two output parameters, buff and buff_len, with K_SYSCALL_MEMORY_READ() rather than K_SYSCALL_MEMORY_WRITE()…