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Back to active CVEs
Unknown severity · Source severity not reportedCVE-2026-43267

wifi: rtw89: fix potential zero beacon interval in beacon trackingCVE-2026-43267

Answer in brief

CVE-2026-43267 records a Unknown severity vulnerability in wifi: rtw89: fix potential zero beacon interval in beacon tracking. 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 May 6, 2026Updated Nov 6, 2026Source checked Nov 6, 2026First seen by HOL Nov 6, 2026Material review Nov 6, 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
PackageAffected rangeFixed version
Linux/Linuxgeneric>=d360551f265e3c942ce06cd6f4d2f7f67741bcbd <1260bee01493126cf9c872b6ca2af261173baa6d || >=d360551f265e3c942ce06cd6f4d2f7f67741bcbd <e00c9a4ec84c0bb067833b34202f457badbbc1c1 || >=d360551f265e3c942ce06cd6f4d2f7f67741bcbd <eb57be32f438c57c88d6ce756101c1dfbcc03bba1260bee01493126cf9c872b6ca2af261173baa6d, e00c9a4ec84c0bb067833b34202f457badbbc1c1, eb57be32f438c57c88d6ce756101c1dfbcc03bba
Linux/Linuxgeneric6.18Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Linux/Linux, Linux/Linux.
  2. 2Review the reported fix. Update Linux/Linux to 1260bee01493126cf9c872b6ca2af261173baa6d if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    May 6, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Nov 6, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Nov 6, 2026

Sources and claim methodology

  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
Upstream source description

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw89: fix potential zero beacon interval in beacon tracking During fuzz testing, it was discovered that bss_conf->beacon_int might be zero, which could result in a division by zero error in subsequent calculations. Set a default value of 100 TU if the interval is zero to ensure stability.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
Not reported
Source
CVE List V5
Source checked
Nov 6, 2026
References
3 linked sources
Open source record