iio: dac: ad5686: missing NULL check on match data (CVE-2026-93038) | HOL Guard CVE

Unknown severity · Source severity not reportedCVE-2026-93038

iio: dac: ad5686: missing NULL check on match data

Answer in brief

CVE-2026-93038 records a Unknown severity vulnerability in iio: dac: ad5686: missing NULL check on match data. 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 17, 2026Updated Sep 17, 2026Source checked Sep 17, 2026First seen by HOL Sep 17, 2026Material review Sep 17, 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	>=0eb1728461a1a84613188f394e38921e29325d30 <cdaa9cb77eb67f2d4921600f6531315040888e29 \|\| >=0eb1728461a1a84613188f394e38921e29325d30 <572a008526359cdac2fa935dad75e9d50a79792f	cdaa9cb77eb67f2d4921600f6531315040888e29, 572a008526359cdac2fa935dad75e9d50a79792f
Linux/Linuxgeneric	7.2	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for Linux/Linux, Linux/Linux.
Review the reported fix. Update Linux/Linux to cdaa9cb77eb67f2d4921600f6531315040888e29 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Sep 17, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 17, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 17, 2026

Sources and claim methodology

Upstream source description

In the Linux kernel, the following vulnerability has been resolved: iio: dac: ad5686: missing NULL check on match data Verify that chip_info pointer is not NULL. If a user binds the driver using driver_override via sysfs with a device name not present in the id_table or of_match_table, match data will be NULL.

Quoted source text, attributed separately from HOL analysis.