CVE-2025-40356

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> spi: rockchip-sfc: Fix DMA-API usage<br /> <br /> Use DMA-API dma_map_single() call for getting the DMA address of the<br /> transfer buffer instead of hacking with virt_to_phys().<br /> <br /> This fixes the following DMA-API debug warning:<br /> ------------[ cut here ]------------<br /> DMA-API: rockchip-sfc fe300000.spi: device driver tries to sync DMA memory it has not allocated [device address=0x000000000cf70000] [size=288 bytes]<br /> WARNING: kernel/dma/debug.c:1106 at check_sync+0x1d8/0x690, CPU#2: systemd-udevd/151<br /> Modules linked in: ...<br /> Hardware name: Hardkernel ODROID-M1 (DT)<br /> pstate: 604000c9 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)<br /> pc : check_sync+0x1d8/0x690<br /> lr : check_sync+0x1d8/0x690<br /> ..<br /> Call trace:<br /> check_sync+0x1d8/0x690 (P)<br /> debug_dma_sync_single_for_cpu+0x84/0x8c<br /> __dma_sync_single_for_cpu+0x88/0x234<br /> rockchip_sfc_exec_mem_op+0x4a0/0x798 [spi_rockchip_sfc]<br /> spi_mem_exec_op+0x408/0x498<br /> spi_nor_read_data+0x170/0x184<br /> spi_nor_read_sfdp+0x74/0xe4<br /> spi_nor_parse_sfdp+0x120/0x11f0<br /> spi_nor_sfdp_init_params_deprecated+0x3c/0x8c<br /> spi_nor_scan+0x690/0xf88<br /> spi_nor_probe+0xe4/0x304<br /> spi_mem_probe+0x6c/0xa8<br /> spi_probe+0x94/0xd4<br /> really_probe+0xbc/0x298<br /> ...