{"schema":"threatline.record/2","record":{"id":"CVE-2026-98729","aliases":[],"summary":"x86/mm: Don't apply va_align to hugetlb mappings on AMD F15h","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nx86/mm: Don't apply va_align to hugetlb mappings on AMD F15h\n\nget_align_mask() returns huge_page_mask_align() for hugetlbfs, but get_align_bits()\nadds va_align.bits regardless, so vm_unmapped_area() returns an address off the huge\npage boundary and __unmap_hugepage_range() hits BUG_ON(start & ~huge_page_mask(h)) at\nteardown.\n\nThis can be triggered on Carrizo and FX-8370E, both hstates.\n\nPass the file to get_align_bits() and skip the randomisation for hugetlbfs.\n\n  [ bp: Massage commit message. ]","categories":["Operating systems"],"product":"Linux","vendor":"Linux","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98729","source_modified_at":"2026-10-19T09:24:39.819Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"1317a5e7f7b1336eac4097f0ef4f5cd7ae72f1d0","lessThan":"fe23680e6f1d52b8cc45d77bf7c54249508a81c7","status":"affected","versionType":"git"},{"version":"1317a5e7f7b1336eac4097f0ef4f5cd7ae72f1d0","lessThan":"b46b2e2de47ca9449532b0a7110ed99f79061d6e","status":"affected","versionType":"git"},{"version":"1317a5e7f7b1336eac4097f0ef4f5cd7ae72f1d0","lessThan":"d2457a7e2727dc747a61a50d65c2f259afce8c45","status":"affected","versionType":"git"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98729","source_modified_at":"2026-10-19T09:24:39.819Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"6.13","status":"affected"},{"version":"0","lessThan":"6.13","status":"unaffected","versionType":"semver"},{"version":"6.18.56","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2.10","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}],"defaultStatus":"affected"}],"fixed_versions":[],"cvss":null,"severity":null,"kev":{"listed":false},"epss":{"probability":0.00166,"percentile":0.05523,"score_date":"2026-10-23"},"published_at":"2026-10-18T15:47:06.633Z","modified_at":"2026-10-19T09:24:39.819Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-98729","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-19T09:24:39.819Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-98729","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/fe23680e6f1d52b8cc45d77bf7c54249508a81c7"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/b46b2e2de47ca9449532b0a7110ed99f79061d6e"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/d2457a7e2727dc747a61a50d65c2f259afce8c45"}],"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":"2026-10-19T09:24:39.819Z","content_hash":"330558901e2001b8418cfcf719b38bf9b4235fbe2d54b24b5d4afac0ff09a0e7"}}