{"api_version":"1","generated_at":"2026-07-13T21:23:56+00:00","cve":"CVE-2026-53053","urls":{"html":"https://cve.report/CVE-2026-53053","api":"https://cve.report/api/cve/CVE-2026-53053.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-53053","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-53053"},"summary":{"title":"iommu/amd: Fix clone_alias() to use the original device's devid","description":"In the Linux kernel, the following vulnerability has been resolved:\n\niommu/amd: Fix clone_alias() to use the original device's devid\n\nCurrently clone_alias() assumes first argument (pdev) is always the\noriginal device pointer. This function is called by\npci_for_each_dma_alias() which based on topology decides to send\noriginal or alias device details in first argument.\n\nThis meant that the source devid used to look up and copy the DTE\nmay be incorrect, leading to wrong or stale DTE entries being\npropagated to alias device.\n\nFix this by passing the original pdev as the opaque data argument to\nboth the direct clone_alias() call and pci_for_each_dma_alias(). Inside\nclone_alias(), retrieve the original device from data and compute devid\nfrom it.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-06-24 17:17:17","updated_at":"2026-06-28 08:16:31"},"problem_types":[],"metrics":[{"version":"3.1","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","score":"8.8","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"8.8","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","data":{"baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","version":"3.1"}}],"references":[{"url":"https://git.kernel.org/stable/c/20b3c566e2702e5d4d0545be8a97029a2eebcc0e","name":"https://git.kernel.org/stable/c/20b3c566e2702e5d4d0545be8a97029a2eebcc0e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/faad224fe0f0857a04ff2eb3c90f0de57f47d0f3","name":"https://git.kernel.org/stable/c/faad224fe0f0857a04ff2eb3c90f0de57f47d0f3","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/dae251ff11d2d2208a029f98923756831cefec46","name":"https://git.kernel.org/stable/c/dae251ff11d2d2208a029f98923756831cefec46","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/dbd76a537d8cb814e7f5b795ab21ecb7949c821d","name":"https://git.kernel.org/stable/c/dbd76a537d8cb814e7f5b795ab21ecb7949c821d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-53053","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53053","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3332364e4ebc0581d133a334645a20fd13b580f1 dbd76a537d8cb814e7f5b795ab21ecb7949c821d git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3332364e4ebc0581d133a334645a20fd13b580f1 20b3c566e2702e5d4d0545be8a97029a2eebcc0e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3332364e4ebc0581d133a334645a20fd13b580f1 dae251ff11d2d2208a029f98923756831cefec46 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3332364e4ebc0581d133a334645a20fd13b580f1 faad224fe0f0857a04ff2eb3c90f0de57f47d0f3 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"53053","cve":"CVE-2026-53053","epss":"0.001280000","percentile":"0.028580000","score_date":"2026-06-30","updated_at":"2026-07-01 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the Linux kernel, the following vulnerability has been resolved:\n\niommu/amd: Fix clone_alias() to use the original device's devid\n\nCurrently clone_alias() assumes first argument (pdev) is always the\noriginal device pointer. This function is called by\npci_for_each_dma_alias() which based on topology decides to send\noriginal or alias device details in first argument.\n\nThis meant that the source devid used to look up and copy the DTE\nmay be incorrect, leading to wrong or stale DTE entries being\npropagated to alias device.\n\nFix this by passing the original pdev as the opaque data argument to\nboth the direct clone_alias() call and pci_for_each_dma_alias(). Inside\nclone_alias(), retrieve the original device from data and compute devid\nfrom it."}],"metrics":[{"cvssV3_1":{"baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","version":"3.1"}}],"providerMetadata":{"dateUpdated":"2026-06-28T06:38:38.631Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/dbd76a537d8cb814e7f5b795ab21ecb7949c821d"},{"url":"https://git.kernel.org/stable/c/20b3c566e2702e5d4d0545be8a97029a2eebcc0e"},{"url":"https://git.kernel.org/stable/c/dae251ff11d2d2208a029f98923756831cefec46"},{"url":"https://git.kernel.org/stable/c/faad224fe0f0857a04ff2eb3c90f0de57f47d0f3"}],"title":"iommu/amd: Fix clone_alias() to use the original device's devid","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-53053","datePublished":"2026-06-24T16:29:59.093Z","dateReserved":"2026-06-09T07:44:35.381Z","dateUpdated":"2026-06-28T06:38:38.631Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-24 17:17:17","lastModifiedDate":"2026-06-28 08:16:31","problem_types":[],"metrics":{"cvssMetricV31":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":2,"impactScore":6}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"53053","Ordinal":"1","Title":"iommu/amd: Fix clone_alias() to use the original device's devid","CVE":"CVE-2026-53053","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"53053","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\niommu/amd: Fix clone_alias() to use the original device's devid\n\nCurrently clone_alias() assumes first argument (pdev) is always the\noriginal device pointer. This function is called by\npci_for_each_dma_alias() which based on topology decides to send\noriginal or alias device details in first argument.\n\nThis meant that the source devid used to look up and copy the DTE\nmay be incorrect, leading to wrong or stale DTE entries being\npropagated to alias device.\n\nFix this by passing the original pdev as the opaque data argument to\nboth the direct clone_alias() call and pci_for_each_dma_alias(). Inside\nclone_alias(), retrieve the original device from data and compute devid\nfrom it.","Type":"Description","Title":"iommu/amd: Fix clone_alias() to use the original device's devid"}]}}}