{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-06T19:47:01.654","vulnerabilities":[{"cve":{"id":"CVE-2025-40353","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2025-12-16T14:15:47.203","lastModified":"2026-04-15T00:35:42.020","vulnStatus":"Deferred","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."}],"metrics":{},"references":[{"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","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}]}}]}