{"id":"CVE-2026-53031","revision":"c383fde32af24328b8c03562ca5c58f6","records":[{"revision":"c383fde32af24328b8c03562ca5c58f6","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-53031","aliases":[],"title":"bpf: Validate node_id in arena_alloc_pages()","description":"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().","state":0,"publishedAt":"2026-06-24T16:29:39.043+00:00","modifiedAt":"2026-10-19T19:47:14.152+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"kernel/bpf/arena.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"317460317a02a1af512697e6e964298dedd8a163\",\n                            \"lessThan\": \"31d3b4b28e55835646d6829d60023f730dd34e85\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"317460317a02a1af512697e6e964298dedd8a163\",\n                            \"lessThan\": \"e15900888c09480a4c632bc598f1c5bd39bed6d6\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"317460317a02a1af512697e6e964298dedd8a163\",\n                            \"lessThan\": \"fb66e20130f95a93ffea1677252526a9e39170b2\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"317460317a02a1af512697e6e964298dedd8a163\",\n                            \"lessThan\": \"2845989f2ebaf7848e4eccf9a779daf3156ea0a5\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"kernel/bpf/arena.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.9\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.9\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.91\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.33\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.0.10\",\n                            \"lessThanOrEqual\": \"7.0.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.1\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/31d3b4b28e55835646d6829d60023f730dd34e85","https://git.kernel.org/stable/c/e15900888c09480a4c632bc598f1c5bd39bed6d6","https://git.kernel.org/stable/c/fb66e20130f95a93ffea1677252526a9e39170b2","https://git.kernel.org/stable/c/2845989f2ebaf7848e4eccf9a779daf3156ea0a5"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-53031","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-53031","identifiers":["CVE-2026-53031"]},"retained":false,"historicalAffected":[]}],"coverage":[]}