{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "317460317a02a1af512697e6e964298dedd8a163"
            },
            {
              "fixed": "31d3b4b28e55835646d6829d60023f730dd34e85"
            },
            {
              "fixed": "e15900888c09480a4c632bc598f1c5bd39bed6d6"
            },
            {
              "fixed": "fb66e20130f95a93ffea1677252526a9e39170b2"
            },
            {
              "fixed": "2845989f2ebaf7848e4eccf9a779daf3156ea0a5"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.9.0"
            },
            {
              "fixed": "6.12.91"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.33"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.0.10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53031.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Validate node_id in arena_alloc_pages()\n\narena_alloc_pages() accepts a plain int node_id and forwards it through\nthe entire allocation chain without any bounds checking.\n\nValidate node_id before passing it down the allocation chain in\narena_alloc_pages().",
  "id": "CVE-2026-53031",
  "modified": "2026-07-15T01:49:16.241010389Z",
  "published": "2026-06-24T16:29:39.043Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2845989f2ebaf7848e4eccf9a779daf3156ea0a5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/31d3b4b28e55835646d6829d60023f730dd34e85"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e15900888c09480a4c632bc598f1c5bd39bed6d6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fb66e20130f95a93ffea1677252526a9e39170b2"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53031.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-53031"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "bpf: Validate node_id in arena_alloc_pages()"
}