{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2025-71186",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2025-71186"
  ],
  "published": "2026-01-31T11:52:25Z",
  "summary": "dmaengine: stm32: dmamux: fix device leak on route allocation",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: stm32: dmamux: fix device leak on route allocation\n\nMake sure to drop the reference taken when looking up the DMA mux\nplatform device during route allocation.\n\nNote that holding a reference to a device does not prevent its driver\ndata from going away so there is no point in keeping the reference.",
  "affected": [
    {
      "package": {
        "ecosystem": "Raspberry Pi OS:12",
        "name": "linux"
      },
      "versions": [
        "1:6.1.47-1+rpt4"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-2712",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v6",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v7",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v7l",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v8",
            "binary_version": "1:6.1.47-1+rpt4"
          }
        ]
      },
      "database_specific": {
        "per_version": {
          "1:6.1.47-1+rpt4": {
            "linux_commit": "655fc658a15ae7a6f37103754adb39ba52a9a14e",
            "upstream_version": "6.1.47",
            "assessment": "commit ancestry (strak rule)",
            "upstream_fixed": "6.1.162",
            "compiled_filter": false
          }
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-71186"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/3b42020e6790a5e19b36c187ed5b488a5716f97f"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/6393da54dcb3488c080a183c4182ddec71ba8d7f"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/1dda2a32303df0091896b01a9d09070d61fa344c"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/1a179ac01ff3993ab97e33cc77c316ed7415cda1"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/2fb10259d4efb4367787b5ae9c94192e8a91c648"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/3ef52d31cce8ba816739085a61efe07b63c6cf27"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/dd6e4943889fb354efa3f700e42739da9bddb6ef"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-05-12T04:54:46Z"
  }
}
