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Medium 4.1Published Sep 21, 2026

CVE-2026-92382Usbredir: usbredir: unbounded iso_packet_desc[] index in usbredirhost_iso_packet() leads to heap out-of-bounds write

Updated under an hour ago ()

Does this affect you?

It affects Red Hat Enterprise Linux 10. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.

CVSS
4.1 MEDIUM (v3.1, CNA)CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE)
CWE-787
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
redhat
NVD analysis
Awaiting Analysis
Record last updated
Sep 21, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
10
CNA record

References

  • vdb-entry, x-refsource-redhat
  • issue-tracking, x-refsource-redhat

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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