virtio_input: reset device if input_register_device() fails (CVE-2026-97987) | HOL Guard CVE

Unknown severity · Source severity not reportedCVE-2026-97987

virtio_input: reset device if input_register_device() fails

Answer in brief

CVE-2026-97987 records a Unknown severity vulnerability in virtio_input: reset device if input_register_device() fails. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), 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 25, 2026Updated Sep 25, 2026Source checked Sep 25, 2026First seen by HOL Sep 25, 2026Material review Sep 25, 2026

Upstream Advisory

Key facts

Risk: Unknown severitySource severity not reported
Exploitation: Not marked as known exploited
Affected software: 2 mapped packages or products
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), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Linux/Linuxgeneric	>=271c865161c57cfabca45b93eaa712b19da365bc <9a7e107734137f098f9b81e5615aa5a02c5395c7 \|\| >=271c865161c57cfabca45b93eaa712b19da365bc <8407da8974326c1ffdfe6a5a9bfc8fed3212bbdf \|\| >=271c865161c57cfabca45b93eaa712b19da365bc <668ebfea7ba623450b12fdeaa0d080464d0c0a14 \|\| >=271c865161c57cfabca45b93eaa712b19da365bc <81489b32a21c9360f8750d1fb600155d27452e19	9a7e107734137f098f9b81e5615aa5a02c5395c7, 8407da8974326c1ffdfe6a5a9bfc8fed3212bbdf, 668ebfea7ba623450b12fdeaa0d080464d0c0a14, 81489b32a21c9360f8750d1fb600155d27452e19
Linux/Linuxgeneric	4.1	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for Linux/Linux, Linux/Linux.
Review the reported fix. Update Linux/Linux to 9a7e107734137f098f9b81e5615aa5a02c5395c7 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Sep 25, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 25, 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: virtio_input: reset device if input_register_device() fails Probe marks the device DRIVER_OK with virtio_device_ready() before calling input_register_device(). If registration fails, the error path cleared vi->ready and called del_vqs() while the device was still live, so the device could keep DMA to queues that were already torn down. Match remove/freeze: call virtio_reset_device() on that path before tearing down the virtqueues.

Quoted source text, attributed separately from HOL analysis.