{"id":"CVE-2026-98506","revision":"7c7f49f88f5d454689c8ee958f3632fa","records":[{"revision":"7c7f49f88f5d454689c8ee958f3632fa","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-98506","aliases":[],"title":"mm/hugetlb: do not dissolve gigantic pages without runtime support","description":"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.","state":0,"publishedAt":"2026-10-18T15:17:12.898+00:00","modifiedAt":"2026-10-19T09:20:45.266+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                        \"mm/hugetlb.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6eb4e88a6d27022ea8aff424d47a0a5dfc9fcb34\",\n                            \"lessThan\": \"ddc1055b557506a6ea8930dfbd8d1555d6a3f01e\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"6eb4e88a6d27022ea8aff424d47a0a5dfc9fcb34\",\n                            \"lessThan\": \"ccf96a4b8626a001c13c5836d8357f31c57bbd8e\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"6eb4e88a6d27022ea8aff424d47a0a5dfc9fcb34\",\n                            \"lessThan\": \"443628f755b35bf45044f68b970b65cd531c42fd\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"6eb4e88a6d27022ea8aff424d47a0a5dfc9fcb34\",\n                            \"lessThan\": \"a363c62a653cc8b3e21da9545fa4e028ef50f9c3\",\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                        \"mm/hugetlb.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"5.13\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"5.13\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.112\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.55\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.9\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/ddc1055b557506a6ea8930dfbd8d1555d6a3f01e","https://git.kernel.org/stable/c/ccf96a4b8626a001c13c5836d8357f31c57bbd8e","https://git.kernel.org/stable/c/443628f755b35bf45044f68b970b65cd531c42fd","https://git.kernel.org/stable/c/a363c62a653cc8b3e21da9545fa4e028ef50f9c3"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-98506","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-98506","identifiers":["CVE-2026-98506"]},"retained":false,"historicalAffected":[]}],"coverage":[]}