Medium [CVE-2026-92382] unbounded iso_packet_desc index in usbredirhost_iso_packet leads to heap out-of-bounds write
This medium-severity Red Hat Linux advisory covers CVE-2026-92382; related products: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7.
Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.
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Summary
unbounded iso_packet_desc[] index in usbredirhost_iso_packet() leads to heap out-of-bounds write. Red Hat rates this moderate (CVSS 4.1).
Weakness: CWE-787.
Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; and 2 more.
Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat package: usbredir.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · high-confidence parse· fetched 12 days ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · high-confidence parse· fetched 12 days ago·verify at source
Mitigation checklist
- 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.
Official advisory · high-confidence parse· fetched 12 days ago·verify at source
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