xhci: Prevent queuing new commands if xhci is inaccessible (CVE-2026-97430) | HOL Guard CVE

Unknown severity · Source severity not reportedCVE-2026-97430

xhci: Prevent queuing new commands if xhci is inaccessible

Answer in brief

CVE-2026-97430 records a Unknown severity vulnerability in xhci: Prevent queuing new commands if xhci is inaccessible. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 24, 2026Updated Sep 24, 2026Source checked Sep 25, 2026First seen by HOL Sep 25, 2026Material review Sep 24, 2026

Upstream Advisory

Key facts

Risk: Unknown severitySource severity not reported
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Available

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Linux/Linuxgeneric	>=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <a50948386256b24d73971b9a152fe1de808446ab \|\| >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <a05e54c1eeaba10414aa2fde94589a7c9885f2a1 \|\| >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <82b70c799281cc24506085be978b829149ba0ca4 \|\| >=0 <6.12.111 \|\| >=0 <6.18.53	a50948386256b24d73971b9a152fe1de808446ab, a05e54c1eeaba10414aa2fde94589a7c9885f2a1, 82b70c799281cc24506085be978b829149ba0ca4, 6.12.111, 6.18.53

Recommended response

Check inventory. Check lockfiles and deployed manifests for Linux/Linux.
Review the reported fix. Update Linux/Linux to a50948386256b24d73971b9a152fe1de808446ab if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Sep 24, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 24, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 25, 2026

Sources and claim methodology

Upstream source description

In the Linux kernel, the following vulnerability has been resolved: xhci: Prevent queuing new commands if xhci is inaccessible Refuse to queue a new command on the command ring if xHC is marked inaccessible with the HCD_FLAG_HW_ACCESSIBLE. HCD_FLAG_HW_ACCESSIBLE is set and cleared in suspend and resume. Also print a warning if xhci is being suspended with commands still pending on the command ring.

Quoted source text, attributed separately from HOL analysis.