{"api_version":"1","generated_at":"2026-05-30T11:40:54+00:00","cve":"CVE-2026-23354","urls":{"html":"https://cve.report/CVE-2026-23354","api":"https://cve.report/api/cve/CVE-2026-23354.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-23354","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-23354"},"summary":{"title":"x86/fred: Correct speculative safety in fred_extint()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nx86/fred: Correct speculative safety in fred_extint()\n\narray_index_nospec() is no use if the result gets spilled to the stack, as\nit makes the believed safe-under-speculation value subject to memory\npredictions.\n\nFor all practical purposes, this means array_index_nospec() must be used in\nthe expression that accesses the array.\n\nAs the code currently stands, it's the wrong side of irqentry_enter(), and\n'index' is put into %ebp across the function call.\n\nRemove the index variable and 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Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-23354","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 14619d912b658ecd9573fb88400d3830a29cadcb 3bc5887b0a2b06d2d9c22f1f4f8500490b3ae643 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 14619d912b658ecd9573fb88400d3830a29cadcb e58f1a9b0677de24dcfee0b21393446ec92ff120 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 14619d912b658ecd9573fb88400d3830a29cadcb 92caa5274b99cb6729177232a029ce0dfa6c5f7b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 14619d912b658ecd9573fb88400d3830a29cadcb aa280a08e7d8fae58557acc345b36b3dc329d595 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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the Linux kernel, the following vulnerability has been resolved:\n\nx86/fred: Correct speculative safety in fred_extint()\n\narray_index_nospec() is no use if the result gets spilled to the stack, as\nit makes the believed safe-under-speculation value subject to memory\npredictions.\n\nFor all practical purposes, this means array_index_nospec() must be used in\nthe expression that accesses the array.\n\nAs the code currently stands, it's the wrong side of irqentry_enter(), and\n'index' is put into %ebp across the function call.\n\nRemove the index variable and reposition array_index_nospec(), so it's\ncalculated immediately before the array 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Correct speculative safety in fred_extint()","CVE":"CVE-2026-23354","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"23354","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nx86/fred: Correct speculative safety in fred_extint()\n\narray_index_nospec() is no use if the result gets spilled to the stack, as\nit makes the believed safe-under-speculation value subject to memory\npredictions.\n\nFor all practical purposes, this means array_index_nospec() must be used in\nthe expression that accesses the array.\n\nAs the code currently stands, it's the wrong side of irqentry_enter(), and\n'index' is put into %ebp across the function call.\n\nRemove the index variable and reposition array_index_nospec(), so it's\ncalculated immediately before the array access.","Type":"Description","Title":"x86/fred: Correct speculative safety in fred_extint()"}]}}}