Answer in brief
CVE-2026-63998 records a Medium severity (CVSS 5.5) vulnerability in ethtool: module: call ethnl_ops_complete() on module flash errors. 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.
CVSS is 5.5. 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.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Product | Affected versions | Fixed versions |
|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:linux:linux_kernel:7.1:rc2:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:linux:linux_kernel:7.1:rc3:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:linux:linux_kernel:7.1:rc4:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:linux:linux_kernel:7.1:rc5:*:*:*:*:*:* | Not reported | Not reported |
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=32b4c8b53ee7799e34a2b1634d32d3ce1e36c44e <170d82a57f4be1ce83de823a93bafd218a0d5fb1 || >=32b4c8b53ee7799e34a2b1634d32d3ce1e36c44e <d9defbf8b62bde89e206d74c2a2b445b9ed66108 || >=32b4c8b53ee7799e34a2b1634d32d3ce1e36c44e <e96ef1a40dda5b637b1911cd950b11e9848de939 || >=32b4c8b53ee7799e34a2b1634d32d3ce1e36c44e <84371fb58423f997939aacdcbc02d128d76a54e5 | 170d82a57f4be1ce83de823a93bafd218a0d5fb1, d9defbf8b62bde89e206d74c2a2b445b9ed66108, e96ef1a40dda5b637b1911cd950b11e9848de939, 84371fb58423f997939aacdcbc02d128d76a54e5 |
| Linux/Linuxgeneric | 6.11 | Not reported |
Published upstream
Jul 19, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 21, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Oct 21, 2026
In the Linux kernel, the following vulnerability has been resolved: ethtool: module: call ethnl_ops_complete() on module flash errors When validate() fails we are skipping over ethnl_ops_complete() even tho we already called ethnl_ops_begin().
Quoted source text, attributed separately from HOL analysis.