{"api_version":"1","generated_at":"2026-06-13T20:43:59+00:00","cve":"CVE-2026-46277","urls":{"html":"https://cve.report/CVE-2026-46277","api":"https://cve.report/api/cve/CVE-2026-46277.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-46277","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-46277"},"summary":{"title":"mm/zone_device: do not touch device folio after calling ->folio_free()","description":"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 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().","state":"PUBLISHED","assigner":"Linux","published_at":"2026-06-08 17:16:45","updated_at":"2026-06-08 17:16:45"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/85be0a262e39c706edb53c88af8afde2e98222ba","name":"https://git.kernel.org/stable/c/85be0a262e39c706edb53c88af8afde2e98222ba","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/39928984956037cabd304321cb8f342e47421db5","name":"https://git.kernel.org/stable/c/39928984956037cabd304321cb8f342e47421db5","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-46277","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-46277","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected d245f9b4ab806733a77e51a218ca7b8bc3135cd9 85be0a262e39c706edb53c88af8afde2e98222ba git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected d245f9b4ab806733a77e51a218ca7b8bc3135cd9 39928984956037cabd304321cb8f342e47421db5 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.19","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.19 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0.4 7.0.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1-rc1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"46277","cve":"CVE-2026-46277","epss":"0.000180000","percentile":"0.052020000","score_date":"2026-06-12","updated_at":"2026-06-13 00:07:16"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["mm/memremap.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"85be0a262e39c706edb53c88af8afde2e98222ba","status":"affected","version":"d245f9b4ab806733a77e51a218ca7b8bc3135cd9","versionType":"git"},{"lessThan":"39928984956037cabd304321cb8f342e47421db5","status":"affected","version":"d245f9b4ab806733a77e51a218ca7b8bc3135cd9","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["mm/memremap.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.19"},{"lessThan":"6.19","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.4","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.4","versionStartIncluding":"6.19","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1-rc1","versionStartIncluding":"6.19","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"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 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()."}],"providerMetadata":{"dateUpdated":"2026-06-08T15:41:19.760Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/85be0a262e39c706edb53c88af8afde2e98222ba"},{"url":"https://git.kernel.org/stable/c/39928984956037cabd304321cb8f342e47421db5"}],"title":"mm/zone_device: do not touch device folio after calling ->folio_free()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-46277","datePublished":"2026-06-08T15:41:19.760Z","dateReserved":"2026-05-13T15:03:33.109Z","dateUpdated":"2026-06-08T15:41:19.760Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-08 17:16:45","lastModifiedDate":"2026-06-08 17:16:45","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"46277","Ordinal":"1","Title":"mm/zone_device: do not touch device folio after calling ->folio_","CVE":"CVE-2026-46277","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"46277","Ordinal":"1","NoteData":"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 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().","Type":"Description","Title":"mm/zone_device: do not touch device folio after calling ->folio_"}]}}}