{"api_version":"1","generated_at":"2026-07-16T10:12:18+00:00","cve":"CVE-2026-53149","urls":{"html":"https://cve.report/CVE-2026-53149","api":"https://cve.report/api/cve/CVE-2026-53149.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-53149","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-53149"},"summary":{"title":"thunderbolt: Bound root directory content to block size","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nthunderbolt: Bound root directory content to block size\n\n__tb_property_parse_dir() does not check that content_offset +\ncontent_len fits within block_len for the root directory case.\nWhen rootdir->length equals or exceeds block_len - 2, the entry\nloop reads past the allocated property block.\n\nAdd a bounds check after computing content_offset and content_len\nto reject directories whose content extends past the block.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-06-25 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17:51:40"},"problem_types":["CWE-125"],"metrics":[{"version":"3.1","source":"nvd@nist.gov","type":"Primary","score":"7.1","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","baseScore":7.1,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"HIGH"}}],"references":[{"url":"https://git.kernel.org/stable/c/0a32040a48db8cf35de48b85d6115df5623e4964","name":"https://git.kernel.org/stable/c/0a32040a48db8cf35de48b85d6115df5623e4964","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/60ba6217460792356a238299edd675d91d46bab4","name":"https://git.kernel.org/stable/c/60ba6217460792356a238299edd675d91d46bab4","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/65423079c7420e3dbf9a7aa345c243a3f5752e5d","name":"https://git.kernel.org/stable/c/65423079c7420e3dbf9a7aa345c243a3f5752e5d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/4d0b1524caadb04c10a71f3f88692c63dcb39115","name":"https://git.kernel.org/stable/c/4d0b1524caadb04c10a71f3f88692c63dcb39115","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b212bc161d8a9937b42153723a4a3f2f74fab528","name":"https://git.kernel.org/stable/c/b212bc161d8a9937b42153723a4a3f2f74fab528","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/5c7657d38d07268124782f03519f07c22a5814fb","name":"https://git.kernel.org/stable/c/5c7657d38d07268124782f03519f07c22a5814fb","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/1912be23daf4afc8d24ce916021ab68ca4c679db","name":"https://git.kernel.org/stable/c/1912be23daf4afc8d24ce916021ab68ca4c679db","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/cbeb68cbaa0a6f979ef428a7f2d0268c082ba166","name":"https://git.kernel.org/stable/c/cbeb68cbaa0a6f979ef428a7f2d0268c082ba166","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-53149","name":"CVE 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Bound root directory content to block size","CVE":"CVE-2026-53149","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"53149","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nthunderbolt: Bound root directory content to block size\n\n__tb_property_parse_dir() does not check that content_offset +\ncontent_len fits within block_len for the root directory case.\nWhen rootdir->length equals or exceeds block_len - 2, the entry\nloop reads past the allocated property block.\n\nAdd a bounds check after computing content_offset and content_len\nto reject directories whose content extends past the block.","Type":"Description","Title":"thunderbolt: Bound root directory content to block size"}]}}}