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{"acknowledgement": "Red Hat would like to thank Calif.io for reporting this issue.", "bugzilla": {"description": "usbredir: usbredir: unbounded iso_packet_desc[] index in usbredirhost_iso_packet() leads to heap out-of-bounds write", "id": "2535972", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2535972"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.1", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-787", "details": ["An out-of-bounds write flaw was found in usbredir. Starting an isochronous OUT stream with a transfer count of 1 leaves the stream's single transfer buffer permanently unsubmitted, defeating the bounds check in usbredirhost_iso_packet() and allowing a usbredir peer to write past the end of the packet descriptor array on every subsequent isochronous packet."], "mitigation": {"lang": "en:us", "value": "If USB redirection is not a required feature, consider removing the `usbredir` package. This action will eliminate the attack surface but may affect functionality that relies on USB device redirection, particularly in virtualized environments."}, "name": "CVE-2026-92382", "public_date": "2026-09-17T12:20:57Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-92382\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-92382"], "threat_severity": "Moderate"}

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