{"api_version":"1","generated_at":"2026-06-25T11:33:14+00:00","cve":"CVE-2026-53146","urls":{"html":"https://cve.report/CVE-2026-53146","api":"https://cve.report/api/cve/CVE-2026-53146.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-53146","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-53146"},"summary":{"title":"thunderbolt: Limit XDomain response copy to actual frame size","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nthunderbolt: Limit XDomain response copy to actual frame size\n\ntb_xdomain_copy() copies req->response_size bytes from the received\npacket buffer regardless of the actual frame size.  When a short\nresponse arrives, this reads past the valid frame data in the DMA\npool buffer into stale contents from previous transactions.\n\nUse the minimum of frame size and expected response size for the\ncopy length.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-06-25 09:16:31","updated_at":"2026-06-25 09:16:31"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/4db2bd2ed4785dbadaeeab9f4e346b21ac5fb8eb","name":"https://git.kernel.org/stable/c/4db2bd2ed4785dbadaeeab9f4e346b21ac5fb8eb","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/7720654b4842bcdfeb64bc002f6186041849e1e7","name":"https://git.kernel.org/stable/c/7720654b4842bcdfeb64bc002f6186041849e1e7","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b2c1e5d9f1598cc1a4736d5c6bd1218f90805ee4","name":"https://git.kernel.org/stable/c/b2c1e5d9f1598cc1a4736d5c6bd1218f90805ee4","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/fc261397295b8ad0654cec747b0ec25ea0011995","name":"https://git.kernel.org/stable/c/fc261397295b8ad0654cec747b0ec25ea0011995","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b5daa920f44cb582272fc9bfaeb67408776cbaef","name":"https://git.kernel.org/stable/c/b5daa920f44cb582272fc9bfaeb67408776cbaef","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c55da494dfb445fb28df3a9d293c2be6a299cd01","name":"https://git.kernel.org/stable/c/c55da494dfb445fb28df3a9d293c2be6a299cd01","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/033dfa63bf6be2653441a1dccae4a8313a91bb9d","name":"https://git.kernel.org/stable/c/033dfa63bf6be2653441a1dccae4a8313a91bb9d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a15b6d3136accb2bf84b04d9a3ddd991f7fbf1cb","name":"https://git.kernel.org/stable/c/a15b6d3136accb2bf84b04d9a3ddd991f7fbf1cb","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-53146","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53146","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected cdae7c07e3e3509eaabc18c1640a55dc5b99c179 c55da494dfb445fb28df3a9d293c2be6a299cd01 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected cdae7c07e3e3509eaabc18c1640a55dc5b99c179 7720654b4842bcdfeb64bc002f6186041849e1e7 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected cdae7c07e3e3509eaabc18c1640a55dc5b99c179 033dfa63bf6be2653441a1dccae4a8313a91bb9d git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected cdae7c07e3e3509eaabc18c1640a55dc5b99c179 fc261397295b8ad0654cec747b0ec25ea0011995 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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the Linux kernel, the following vulnerability has been resolved:\n\nthunderbolt: Limit XDomain response copy to actual frame size\n\ntb_xdomain_copy() copies req->response_size bytes from the received\npacket buffer regardless of the actual frame size.  When a short\nresponse arrives, this reads past the valid frame data in the DMA\npool buffer into stale contents from previous transactions.\n\nUse the minimum of frame size and expected response size for the\ncopy length."}],"providerMetadata":{"dateUpdated":"2026-06-25T08:38:32.877Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/c55da494dfb445fb28df3a9d293c2be6a299cd01"},{"url":"https://git.kernel.org/stable/c/7720654b4842bcdfeb64bc002f6186041849e1e7"},{"url":"https://git.kernel.org/stable/c/033dfa63bf6be2653441a1dccae4a8313a91bb9d"},{"url":"https://git.kernel.org/stable/c/fc261397295b8ad0654cec747b0ec25ea0011995"},{"url":"https://git.kernel.org/stable/c/a15b6d3136accb2bf84b04d9a3ddd991f7fbf1cb"},{"url":"https://git.kernel.org/stable/c/b5daa920f44cb582272fc9bfaeb67408776cbaef"},{"url":"https://git.kernel.org/stable/c/b2c1e5d9f1598cc1a4736d5c6bd1218f90805ee4"},{"url":"https://git.kernel.org/stable/c/4db2bd2ed4785dbadaeeab9f4e346b21ac5fb8eb"}],"title":"thunderbolt: Limit XDomain response copy to actual frame size","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-53146","datePublished":"2026-06-25T08:38:32.877Z","dateReserved":"2026-06-09T07:44:35.387Z","dateUpdated":"2026-06-25T08:38:32.877Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-25 09:16:31","lastModifiedDate":"2026-06-25 09:16:31","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"53146","Ordinal":"1","Title":"thunderbolt: Limit XDomain response copy to actual frame size","CVE":"CVE-2026-53146","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"53146","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nthunderbolt: Limit XDomain response copy to actual frame size\n\ntb_xdomain_copy() copies req->response_size bytes from the received\npacket buffer regardless of the actual frame size.  When a short\nresponse arrives, this reads past the valid frame data in the DMA\npool buffer into stale contents from previous transactions.\n\nUse the minimum of frame size and expected response size for the\ncopy length.","Type":"Description","Title":"thunderbolt: Limit XDomain response copy to actual frame size"}]}}}