{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2023-52607",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2023-52607"
  ],
  "published": "2024-03-06T06:46:18Z",
  "summary": "powerpc/mm: Fix null-pointer dereference in pgtable_cache_add",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\npowerpc/mm: Fix null-pointer dereference in pgtable_cache_add\n\nkasprintf() returns a pointer to dynamically allocated memory\nwhich can be NULL upon failure. Ensure the allocation was successful\nby checking the pointer validity.",
  "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": "6.1.77",
            "compiled_filter": false
          }
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-52607"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/21e45a7b08d7cd98d6a53c5fc5111879f2d96611"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/f6781add1c311c17eff43e14c786004bbacf901e"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/aa28eecb43cac6e20ef14dfc50b8892c1fbcda5b"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/ac3ed969a40357b0542d20f096a6d43acdfa6cc7"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/d482d61025e303a2bef3733a011b6b740215cfa1"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/145febd85c3bcc5c74d87ef9a598fc7d9122d532"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/ffd29dc45bc0355393859049f6becddc3ed08f74"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/f46c8a75263f97bda13c739ba1c90aced0d3b071"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-05-12T04:54:46Z"
  }
}