{"id":"CVE-2026-53031","summary":"bpf: Validate node_id in arena_alloc_pages()","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().","modified":"2026-07-15T01:49:16.241010389Z","published":"2026-06-24T16:29:39.043Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53031.json"},"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"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"317460317a02a1af512697e6e964298dedd8a163"},{"fixed":"31d3b4b28e55835646d6829d60023f730dd34e85"},{"fixed":"e15900888c09480a4c632bc598f1c5bd39bed6d6"},{"fixed":"fb66e20130f95a93ffea1677252526a9e39170b2"},{"fixed":"2845989f2ebaf7848e4eccf9a779daf3156ea0a5"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-53031.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","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"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-53031.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}