{"api_version":"1","generated_at":"2026-05-13T13:33:36+00:00","cve":"CVE-2026-43378","urls":{"html":"https://cve.report/CVE-2026-43378","api":"https://cve.report/api/cve/CVE-2026-43378.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-43378","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-43378"},"summary":{"title":"smb: server: fix use-after-free in smb2_open()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: server: fix use-after-free in smb2_open()\n\nThe opinfo pointer obtained via rcu_dereference(fp->f_opinfo) is\ndereferenced after rcu_read_unlock(), creating a use-after-free\nwindow.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-05-08 15:16:48","updated_at":"2026-05-12 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Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43378","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 e1b21e6066615e7d3d3a7aa2677e415e563fd7cc git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 b720c84087cb547f23ce03eab93568c1769e4556 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 54b48ae83de8bb06e65079d96368efe359d4909c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 8f5b1a7cb009a93c48e9e334a2f59a660f9afc07 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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use-after-free\nwindow.","Type":"Description","Title":"smb: server: fix use-after-free in smb2_open()"}]}}}