{"schema":"threatline.record/2","record":{"id":"CVE-2026-98506","aliases":[],"summary":"mm/hugetlb: do not dissolve gigantic pages without runtime support","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nmm/hugetlb: do not dissolve gigantic pages without runtime support\n\ndissolve_free_hugetlb_folio() doesn't check\nhstate_is_gigantic_no_runtime(h) though remove_hugetlb_folio()/\nupdate_and_free_hugetlb_folio() silently bail for such folios, so it frees\na still-listed folio and, on vmemmap restore failure, the\nadd_hugetlb_folio() rollback corrupts the free list.","categories":["Operating systems"],"product":"Linux","vendor":"Linux","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98506","source_modified_at":"2026-10-19T09:20:45.266Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"6eb4e88a6d27022ea8aff424d47a0a5dfc9fcb34","lessThan":"ddc1055b557506a6ea8930dfbd8d1555d6a3f01e","status":"affected","versionType":"git"},{"version":"6eb4e88a6d27022ea8aff424d47a0a5dfc9fcb34","lessThan":"ccf96a4b8626a001c13c5836d8357f31c57bbd8e","status":"affected","versionType":"git"},{"version":"6eb4e88a6d27022ea8aff424d47a0a5dfc9fcb34","lessThan":"443628f755b35bf45044f68b970b65cd531c42fd","status":"affected","versionType":"git"},{"version":"6eb4e88a6d27022ea8aff424d47a0a5dfc9fcb34","lessThan":"a363c62a653cc8b3e21da9545fa4e028ef50f9c3","status":"affected","versionType":"git"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98506","source_modified_at":"2026-10-19T09:20:45.266Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"5.13","status":"affected"},{"version":"0","lessThan":"5.13","status":"unaffected","versionType":"semver"},{"version":"6.12.112","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.55","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2.9","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}],"defaultStatus":"affected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98506","source_modified_at":"2026-10-19T09:20:45.266Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"443628f755b35bf45044f68b970b65cd531c42fd","basis":"first unaffected version stated in the CVE record"}],"cvss":null,"severity":null,"kev":{"listed":false},"epss":{"probability":0.002,"percentile":0.09331,"score_date":"2026-10-23"},"published_at":"2026-10-18T15:17:12.898Z","modified_at":"2026-10-19T09:20:45.266Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-98506","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-19T09:20:45.266Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-98506","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://git.kernel.org/stable/c/ddc1055b557506a6ea8930dfbd8d1555d6a3f01e"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/ccf96a4b8626a001c13c5836d8357f31c57bbd8e"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/443628f755b35bf45044f68b970b65cd531c42fd"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/a363c62a653cc8b3e21da9545fa4e028ef50f9c3"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-19T09:20:45.266Z","content_hash":"c85a8a12e4bee3d3491a834d30efd8348502da822201ada08b6476eb366ebf7c"}}