{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2023-53801",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2023-53801"
  ],
  "published": "2025-12-09T00:01:55Z",
  "summary": "iommu/sprd: Release dma buffer to avoid memory leak",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\niommu/sprd: Release dma buffer to avoid memory leak\n\nWhen attaching to a domain, the driver would alloc a DMA buffer which\nis used to store address mapping table, and it need to be released\nwhen the IOMMU domain is freed.",
  "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": "6.1.81",
            "compiled_filter": false
          }
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-53801"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/92c089a931fd3939cd32318cf4f54e69e8f51a19"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/8745f3592ee4a7b49ede16ddd3f12a41ecaa23c9"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/d0a917fd5e3b3ed9d9306b4260ba684b982da9f3"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/9afea57384d4ae7b2034593eac7fa76c7122762a"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-05-12T04:54:46Z"
  }
}