{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-40353", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T07:20:57.187Z", "datePublished": "2025-12-16T13:30:26.273Z", "dateUpdated": "2025-12-16T13:30:26.273Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-12-16T13:30:26.273Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\narm64: mte: Do not warn if the page is already tagged in copy_highpage()\n\nThe arm64 copy_highpage() assumes that the destination page is newly\nallocated and not MTE-tagged (PG_mte_tagged unset) and warns\naccordingly. However, following commit 060913999d7a (\"mm: migrate:\nsupport poisoned recover from migrate folio\"), folio_mc_copy() is called\nbefore __folio_migrate_mapping(). If the latter fails (-EAGAIN), the\ncopy will be done again to the same destination page. Since\ncopy_highpage() already set the PG_mte_tagged flag, this second copy\nwill warn.\n\nReplace the WARN_ON_ONCE(page already tagged) in the arm64\ncopy_highpage() with a comment."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["arch/arm64/mm/copypage.c"], "versions": [{"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "5ff5765a1fc526f07d3bbaedb061d970eb13bcf4", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "0bbf3fc6e9211fce9889fe8efbb89c220504d617", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "b98c94eed4a975e0c80b7e90a649a46967376f58", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["arch/arm64/mm/copypage.c"], "versions": [{"version": "6.12.56", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.17.6", "lessThanOrEqual": "6.17.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18", "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:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.12.56"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.17.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.18"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/5ff5765a1fc526f07d3bbaedb061d970eb13bcf4"}, {"url": "https://git.kernel.org/stable/c/0bbf3fc6e9211fce9889fe8efbb89c220504d617"}, {"url": "https://git.kernel.org/stable/c/b98c94eed4a975e0c80b7e90a649a46967376f58"}], "title": "arm64: mte: Do not warn if the page is already tagged in copy_highpage()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\narm64: mte: Do not warn if the page is already tagged in copy_highpage()\n\nThe arm64 copy_highpage() assumes that the destination page is newly\nallocated and not MTE-tagged (PG_mte_tagged unset) and warns\naccordingly. However, following commit 060913999d7a (\"mm: migrate:\nsupport poisoned recover from migrate folio\"), folio_mc_copy() is called\nbefore __folio_migrate_mapping(). If the latter fails (-EAGAIN), the\ncopy will be done again to the same destination page. Since\ncopy_highpage() already set the PG_mte_tagged flag, this second copy\nwill warn.\n\nReplace the WARN_ON_ONCE(page already tagged) in the arm64\ncopy_highpage() with a comment."}], "id": "CVE-2025-40353", "lastModified": "2025-12-16T14:15:47.203", "metrics": {}, "published": "2025-12-16T14:15:47.203", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0bbf3fc6e9211fce9889fe8efbb89c220504d617"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5ff5765a1fc526f07d3bbaedb061d970eb13bcf4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b98c94eed4a975e0c80b7e90a649a46967376f58"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{}