{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-46013", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-13T15:03:33.092Z", "datePublished": "2026-05-27T12:56:15.236Z", "dateUpdated": "2026-05-27T12:56:15.236Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-27T12:56:15.236Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/memfd_luo: fix physical address conversion in put_folios cleanup\n\nIn memfd_luo_retrieve_folios()'s put_folios cleanup path:\n\n1. kho_restore_folio() expects a phys_addr_t (physical address) but\n receives a raw PFN (pfolio->pfn). This causes kho_restore_page() to\n check the wrong physical address (pfn << PAGE_SHIFT instead of the\n actual physical address).\n\n2. This loop lacks the !pfolio->pfn check that exists in the main\n retrieval loop and memfd_luo_discard_folios(), which could\n incorrectly process sparse file holes where pfn=0.\n\nFix by converting PFN to physical address with PFN_PHYS() and adding\nthe !pfolio->pfn check, matching the pattern used elsewhere in this file.\n\nThis issue was identified by the AI review.\nhttps://sashiko.dev/#/patchset/20260323110747.193569-1-duanchenghao@kylinos.cn"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["mm/memfd_luo.c"], "versions": [{"version": "b3749f174d686627f702234e64bad976dc432dbc", "lessThan": "bd0d6bde286a2b8e3ae7975b0dcc2d43875d5fc9", "status": "affected", "versionType": "git"}, {"version": "b3749f174d686627f702234e64bad976dc432dbc", "lessThan": "3538f90ab89aaf302782b4b073a0aae66904cd67", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["mm/memfd_luo.c"], "versions": [{"version": "6.19", "status": "affected"}, {"version": "0", "lessThan": "6.19", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.4", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1-rc1", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.19", "versionEndExcluding": "7.0.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.19", "versionEndExcluding": "7.1-rc1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/bd0d6bde286a2b8e3ae7975b0dcc2d43875d5fc9"}, {"url": "https://git.kernel.org/stable/c/3538f90ab89aaf302782b4b073a0aae66904cd67"}], "title": "mm/memfd_luo: fix physical address conversion in put_folios cleanup", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/memfd_luo: fix physical address conversion in put_folios cleanup\n\nIn memfd_luo_retrieve_folios()'s put_folios cleanup path:\n\n1. kho_restore_folio() expects a phys_addr_t (physical address) but\n receives a raw PFN (pfolio->pfn). This causes kho_restore_page() to\n check the wrong physical address (pfn << PAGE_SHIFT instead of the\n actual physical address).\n\n2. This loop lacks the !pfolio->pfn check that exists in the main\n retrieval loop and memfd_luo_discard_folios(), which could\n incorrectly process sparse file holes where pfn=0.\n\nFix by converting PFN to physical address with PFN_PHYS() and adding\nthe !pfolio->pfn check, matching the pattern used elsewhere in this file.\n\nThis issue was identified by the AI review.\nhttps://sashiko.dev/#/patchset/20260323110747.193569-1-duanchenghao@kylinos.cn"}], "id": "CVE-2026-46013", "lastModified": "2026-05-27T14:48:03.013", "metrics": {}, "published": "2026-05-27T14:17:19.517", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3538f90ab89aaf302782b4b073a0aae66904cd67"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/bd0d6bde286a2b8e3ae7975b0dcc2d43875d5fc9"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{}

{}