static void setup_ksp_vsid(struct task_struct *p, unsigned long sp)
{
#ifdef CONFIG_PPC_STD_MMU_64
	unsigned long sp_vsid;
	unsigned long llp = mmu_psize_defs[mmu_linear_psize].sllp;

	if (mmu_has_feature(MMU_FTR_1T_SEGMENT))
		sp_vsid = get_kernel_vsid(sp, MMU_SEGSIZE_1T)
			<< SLB_VSID_SHIFT_1T;
	else
		sp_vsid = get_kernel_vsid(sp, MMU_SEGSIZE_256M)
			<< SLB_VSID_SHIFT;
	sp_vsid |= SLB_VSID_KERNEL | llp;
	p->thread.ksp_vsid = sp_vsid;
#endif
}

The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.