In the Linux kernel, the following vulnerability has been resolved: iommu/riscv: Add IOTINVAL after updating DDT/PDT entries Add riscv_iommu_iodir_iotinval() to perform required TLB and context cache invalidations after updating DDT or PDT entries, as mandated by the RISC-V IOMMU specification (Section 6.3.1 and 6.3.2).
https://git.kernel.org/stable/c/f5c262b544975e067ea265fc7403aefbbea8563e
https://git.kernel.org/stable/c/d99d1c13faa793ff1abab0d20ab6473c838081b3
https://git.kernel.org/stable/c/3f917d9bff68600f77561900f3145bd4706dc840