122 lines
5.6 KiB
JSON
122 lines
5.6 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-46013",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2026-05-13T15:03:33.092Z",
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"datePublished": "2026-05-27T12:56:15.236Z",
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"dateUpdated": "2026-06-14T17:47:59.320Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-06-14T17:47:59.320Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"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"
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}
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],
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"affected": [
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"mm/memfd_luo.c"
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],
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"versions": [
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{
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"version": "b3749f174d686627f702234e64bad976dc432dbc",
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"lessThan": "bd0d6bde286a2b8e3ae7975b0dcc2d43875d5fc9",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "b3749f174d686627f702234e64bad976dc432dbc",
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"lessThan": "3538f90ab89aaf302782b4b073a0aae66904cd67",
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"status": "affected",
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"versionType": "git"
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}
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]
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},
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "affected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"mm/memfd_luo.c"
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],
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"versions": [
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{
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"version": "6.19",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "6.19",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "7.0.4",
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"lessThanOrEqual": "7.0.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "7.1",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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]
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.19",
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"versionEndExcluding": "7.0.4"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.19",
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"versionEndExcluding": "7.1"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/bd0d6bde286a2b8e3ae7975b0dcc2d43875d5fc9"
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},
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{
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"url": "https://git.kernel.org/stable/c/3538f90ab89aaf302782b4b073a0aae66904cd67"
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}
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],
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"title": "mm/memfd_luo: fix physical address conversion in put_folios cleanup",
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"x_generator": {
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"engine": "bippy-1.2.0"
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}
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}
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}
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} |