{"id":"CVE-2026-92382","aliases":["AZL-105338","DEBIAN-CVE-2026-92382","EUVD-2026-84029","GHSA-xhvc-xfq9-4pmw","UBUNTU-CVE-2026-92382"],"status":"published","title":"Usbredir: usbredir: unbounded iso_packet_desc[] index in usbredirhost_iso_packet() leads to heap out-of-bounds write","description":"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.","severity":{"version":"3.1","score":4.1,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00136,"percentile":0.03066,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2026-09-21T17:28:21Z","modified":"2026-11-05T05:40:51Z","affected":[{"source":"osv","ecosystem":"Azure Linux:3","package":"usbredir","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"0.13.0-1"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"usbredir","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.13.0-2","0.13.0-2.1","0.13.0-2.1~exp1","0.14.0-1","0.15.0-1"]},{"source":"osv","ecosystem":"Debian:13","package":"usbredir","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.15.0-1"]},{"source":"osv","ecosystem":"Debian:14","package":"usbredir","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.15.0-1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:14.04:LTS","package":"usbredir","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.6-2","0.6-2ubuntu1","0.6-2ubuntu1.1","0.6-2ubuntu1.1+esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"usbredir","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.7-1ubuntu2","0.7.1-1","0.7.1-1ubuntu0.16.04.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"usbredir","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.7.1-1","0.7.1-1ubuntu0.18.04.1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"usbredir","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.8.0-1","0.8.0-1ubuntu0.1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"usbredir","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.8.0-1build1","0.11.0-2","0.11.0-2build1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"usbredir","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.13.0-2","0.13.0-2.1","0.13.0-2.1build1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"usbredir","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.15.0-1build1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"usbredir","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.15.0-1","0.15.0-1build1"]}],"products":[{"vendor":"red hat","product":"red hat enterprise linux 10"},{"vendor":"red hat","product":"red hat enterprise linux 6"},{"vendor":"red hat","product":"red hat enterprise linux 7"},{"vendor":"red hat","product":"red hat enterprise linux 8"},{"vendor":"red hat","product":"red hat enterprise linux 9"}],"references":[{"url":"https://access.redhat.com/security/cve/CVE-2026-92382","tags":["vdb-entry","x_refsource_REDHAT"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2535972","tags":["issue-tracking","x_refsource_REDHAT"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-92382","tags":["web"]},{"url":"https://github.com/advisories/GHSA-xhvc-xfq9-4pmw"},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-92382","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-92382","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-92382","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-92382","title":"Usbredir: usbredir: unbounded iso_packet_desc[] index in usbredirhost_iso_packet() leads to heap out-of-bounds write","description":"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.","status":"published","published":"2026-09-21T17:28:21.411Z","modified":"2026-11-06T01:48:22.964Z","cvss":[{"version":"3.1","score":4.1,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-787"],"updated_at":"2026-11-06T02:55:55.947181Z"}],"euvd":[{"id":"EUVD-2026-84029","description":"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.","status":"published","published":"2026-09-21T17:28:21Z","modified":"2026-11-06T01:48:22Z","cvss":[{"version":"3.1","score":4.1,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-06T03:02:58.554056Z"}],"ghsa":[{"id":"GHSA-xhvc-xfq9-4pmw","title":"An out-of-bounds write flaw was found in usbredir. Starting an isochronous OUT stream with a...","description":"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.","status":"published","published":"2026-09-21T18:32:09Z","modified":"2026-09-21T18:32:14Z","cvss":[{"version":"3.1","score":4.1,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T15:12:15.996228Z"}],"nvd":[{"id":"CVE-2026-92382","description":"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.","status":"published","published":"2026-09-21T18:17:14.593Z","modified":"2026-11-06T02:17:58.373Z","cvss":[{"version":"3.1","score":4.1,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-787"],"updated_at":"2026-11-06T06:59:05.647867Z"}],"osv":[{"id":"DEBIAN-CVE-2026-92382","description":"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.","status":"published","published":"2026-09-21T18:17:14.593Z","modified":"2026-09-23T08:47:27.975955664Z","cvss":[{"version":"3.1","score":4.1,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:46:06.410207Z"},{"id":"UBUNTU-CVE-2026-92382","description":"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.","status":"published","published":"2026-09-21T18:17:00Z","modified":"2026-10-22T23:20:52.941803732Z","cvss":[{"version":"3.1","score":4.1,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T16:57:40.980117Z"},{"id":"AZL-105338","title":"CVE-2026-92382 affecting package usbredir 0.13.0-1","description":"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.","status":"published","published":"2026-09-21T18:17:14Z","modified":"2026-11-05T05:40:51Z","updated_at":"2026-11-05T16:41:17.719431Z"}]}}