{"id":"CVE-2026-46277","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nmm/zone_device: do not touch device folio after calling ->folio_free()\n\nThe contents of a device folio can immediately change after calling\n->folio_free(), as the folio…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nmm/zone_device: do not touch device folio after calling ->folio_free()\n\nThe contents of a device folio can immediately change after calling\n->folio_free(), as the folio…","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","published":"2026-06-08","updated":"2026-07-07","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-46277","references":[{"url":"https://git.kernel.org/stable/c/39928984956037cabd304321cb8f342e47421db5","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/85be0a262e39c706edb53c88af8afde2e98222ba","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd"],"epss":0.0012,"epssPercentile":0.02137,"ingestedAt":"2026-07-07T18:42:24.260Z","slug":"CVE-2026-46277","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nmm/zone_device: do not touch device folio after calling ->folio_free()\n\nThe contents of a device folio can immediately change after calling\n->folio_free(), as the folio may be reallocated by a driver with a\ndifferent order.  Instead of touching the folio again to extract the\npgmap, use the local stack variable when calling percpu_ref_put_many().\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}