{"api_version":"1","generated_at":"2026-07-23T14:54:32+00:00","cve":"CVE-2026-23429","urls":{"html":"https://cve.report/CVE-2026-23429","api":"https://cve.report/api/cve/CVE-2026-23429.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-23429","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-23429"},"summary":{"title":"iommu/sva: Fix crash in iommu_sva_unbind_device()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\niommu/sva: Fix crash in iommu_sva_unbind_device()\n\ndomain->mm->iommu_mm can be freed by iommu_domain_free():\n  iommu_domain_free()\n    mmdrop()\n      __mmdrop()\n        mm_pasid_drop()\nAfter iommu_domain_free() returns, accessing domain->mm->iommu_mm may\ndereference a freed mm structure, leading to a crash.\n\nFix this by moving the code that accesses domain->mm->iommu_mm to before\nthe call to iommu_domain_free().","state":"PUBLISHED","assigner":"Linux","published_at":"2026-04-03 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the Linux kernel, the following vulnerability has been resolved:\n\niommu/sva: Fix crash in iommu_sva_unbind_device()\n\ndomain->mm->iommu_mm can be freed by iommu_domain_free():\n  iommu_domain_free()\n    mmdrop()\n      __mmdrop()\n        mm_pasid_drop()\nAfter iommu_domain_free() returns, accessing domain->mm->iommu_mm may\ndereference a freed mm structure, leading to a crash.\n\nFix this by moving the code that accesses domain->mm->iommu_mm to before\nthe call to 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Fix crash in iommu_sva_unbind_device()","CVE":"CVE-2026-23429","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"23429","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\niommu/sva: Fix crash in iommu_sva_unbind_device()\n\ndomain->mm->iommu_mm can be freed by iommu_domain_free():\n  iommu_domain_free()\n    mmdrop()\n      __mmdrop()\n        mm_pasid_drop()\nAfter iommu_domain_free() returns, accessing domain->mm->iommu_mm may\ndereference a freed mm structure, leading to a crash.\n\nFix this by moving the code that accesses domain->mm->iommu_mm to before\nthe call to iommu_domain_free().","Type":"Description","Title":"iommu/sva: Fix crash in iommu_sva_unbind_device()"}]}}}