net: libwx: fix Tx L4 checksum

Answer in brief

CVE-2025-22101 records a Unknown severity vulnerability in net: libwx: fix Tx L4 checksum. 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 Apr 16, 2025Updated Sep 14, 2026Source checked Sep 14, 2026First seen by HOL Sep 14, 2026Material review Sep 14, 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	>=3403960cdf86c967442dccc2bec981e0093f716e <9c6c85ae77efbe29420883082b3a7b9fd2c57602 \|\| >=3403960cdf86c967442dccc2bec981e0093f716e <6d56ea133adf0389b216ba6e47f7f35e95776713 \|\| >=3403960cdf86c967442dccc2bec981e0093f716e <5f583e059eced1857f41e221ef5951e029e632bd \|\| >=3403960cdf86c967442dccc2bec981e0093f716e <c7d82913d5f9e97860772ee4051eaa66b56a6273	9c6c85ae77efbe29420883082b3a7b9fd2c57602, 6d56ea133adf0389b216ba6e47f7f35e95776713, 5f583e059eced1857f41e221ef5951e029e632bd, c7d82913d5f9e97860772ee4051eaa66b56a6273
Linux/Linuxgeneric	6.5	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for Linux/Linux, Linux/Linux.
Review the reported fix. Update Linux/Linux to 9c6c85ae77efbe29420883082b3a7b9fd2c57602 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Apr 16, 2025
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 14, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 14, 2026

Sources and claim methodology

Upstream source description

In the Linux kernel, the following vulnerability has been resolved: net: libwx: fix Tx L4 checksum The hardware only supports L4 checksum offload for TCP/UDP/SCTP protocol. There was a bug to set Tx checksum flag for the other protocol that results in Tx ring hang. Fix to compute software checksum for these packets.

Quoted source text, attributed separately from HOL analysis.