{"id":"CVE-2026-46277","summary":"mm/zone_device: do not touch device folio after calling -\u003efolio_free()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nmm/zone_device: do not touch device folio after calling -\u003efolio_free()\n\nThe contents of a device folio can immediately change after calling\n-\u003efolio_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().","modified":"2026-06-18T03:57:36.698243429Z","published":"2026-06-08T15:41:19.760Z","related":["openSUSE-SU-2026:11014-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46277.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/39928984956037cabd304321cb8f342e47421db5"},{"type":"WEB","url":"https://git.kernel.org/stable/c/85be0a262e39c706edb53c88af8afde2e98222ba"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46277.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-46277"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"d245f9b4ab806733a77e51a218ca7b8bc3135cd9"},{"fixed":"85be0a262e39c706edb53c88af8afde2e98222ba"},{"fixed":"39928984956037cabd304321cb8f342e47421db5"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-46277.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.0.4"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-46277.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}