wifi: rtw89: debug: fix off by on in rtw89_ppdu_str() (CVE-2026-93166) | HOL Guard CVE

Unknown severity · Source severity not reportedCVE-2026-93166

wifi: rtw89: debug: fix off by on in rtw89_ppdu_str()

Answer in brief

CVE-2026-93166 records a Unknown severity vulnerability in wifi: rtw89: debug: fix off by on in rtw89_ppdu_str(). 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	>=419ed7f4a0532e6211f1f73b311859500a63e141 <876b110114da39cfcf07cd35e2e6213ef6982e4b \|\| >=419ed7f4a0532e6211f1f73b311859500a63e141 <1908534deb53a018580309be84a4f7dcc9cb1af3	876b110114da39cfcf07cd35e2e6213ef6982e4b, 1908534deb53a018580309be84a4f7dcc9cb1af3
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 876b110114da39cfcf07cd35e2e6213ef6982e4b 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: wifi: rtw89: debug: fix off by on in rtw89_ppdu_str() This > comparison should be >= to avoid an out of bounds access.

Quoted source text, attributed separately from HOL analysis.