{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2024-26621",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2024-26621"
  ],
  "published": "2024-03-02T21:33:08Z",
  "summary": "mm: huge_memory: don't force huge page alignment on 32 bit",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm: huge_memory: don't force huge page alignment on 32 bit\n\ncommit efa7df3e3bb5 (\"mm: align larger anonymous mappings on THP\nboundaries\") caused two issues [1] [2] reported on 32 bit system or compat\nuserspace.\n\nIt doesn't make too much sense to force huge page alignment on 32 bit\nsystem due to the constrained virtual address space.\n\n[1] https://lore.kernel.org/linux-mm/d0a136a0-4a31-46bc-adf4-2db109a61672@kernel.org/\n[2] https://lore.kernel.org/linux-mm/CAJuCfpHXLdQy1a2B6xN2d7quTYwg2OoZseYPZTRpU0eHHKD-sQ@mail.gmail.com/",
  "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-2024-26621"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/87632bc9ecff5ded93433bc0fca428019bdd1cfe"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/6ea9aa8d97e6563676094cb35755884173269555"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/7432376c913381c5f24d373a87ff629bbde94b47"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/4ef9ad19e17676b9ef071309bc62020e2373705d"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-08-05T11:52:36Z"
  }
}