{
  "cveId": "CVE-2025-40356",
  "url": "https://patchblox.com/security/cve/CVE-2025-40356",
  "summary": "CVE-2025-40356 is fixed in linux on 1 platform by DEBIAN-CVE-2025-40356 (version 6.17.6-1), released December 16, 2025. It is not reported as exploited. Patch Radar priority: High.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  spi: rockchip-sfc: Fix DMA-API usage  Use DMA-AP...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  spi: rockchip-sfc: Fix DMA-API usage  Use DMA-API dma_map_single() call for getting the DMA address of the transfer buffer instead of hacking with virt_to_phys().  This fixes the following DMA-API debug warning: ------------[ cut here ]------------ DMA-API: rockchip-sfc fe300000.spi: device driver tries to sync DMA memory it has not allocated [device address=0x000000000cf70000] [size=288 bytes] WARNING: kernel/dma/debug.c:1106 at check_sync\u002B0x1d8/0x690, CPU#2: systemd-udevd/151 Modules linked in: ... Hardware name: Hardkernel ODROID-M1 (DT) pstate: 604000c9 (nZCv daIF \u002BPAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : check_sync\u002B0x1d8/0x690 lr : check_sync\u002B0x1d8/0x690 .. Call trace:  check_sync\u002B0x1d8/0x690 (P)  debug_dma_sync_single_for_cpu\u002B0x84/0x8c  __dma_sync_single_for_cpu\u002B0x88/0x234  rockchip_sfc_exec_mem_op\u002B0x4a0/0x798 [spi_rockchip_sfc]  spi_mem_exec_op\u002B0x408/0x498  spi_nor_read_data\u002B0x170/0x184  spi_nor_read_sfdp\u002B0x74/0xe4  spi_nor_parse_sfdp\u002B0x120/0x11f0  spi_nor_sfdp_init_params_deprecated\u002B0x3c/0x8c  spi_nor_scan\u002B0x690/0xf88  spi_nor_probe\u002B0xe4/0x304  spi_mem_probe\u002B0x6c/0xa8  spi_probe\u002B0x94/0xd4  really_probe\u002B0xbc/0x298  ...",
  "published": "2025-12-16T14:15:47Z",
  "severity": "high",
  "cvss": 7.8,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
  "epss": 0.00144,
  "epssPercentile": 0.0373,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "6.17.6-1",
      "fix": "DEBIAN-CVE-2025-40356",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2025-40356",
      "released": "2025-12-16T14:15:47Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}