boxscore/security
CVE · referencelatest edition

Reference page — cumulative record through Monday, October 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-63998

Linux Linux — ethtool: module: call ethnl_ops_complete() on module flash errors
  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   L   L   L   N  U  N  N  H    5.5   .0012    1.7     —
AFFECTED
  Product  Versions                                    Fixed
  Linux    32b4c8b53ee7799e34a2b1634d32d3ce1e36c44e –  —
  Linux    6.11 –                                      6.18.35
TIMELINE
  Jul 19  Reserved by Linux
  Jul 19  Published (CNA: Linux)
  Oct 13  ENRICHED — CVE-2026-63998 (Linux). Received CVSS 5.5 and CPE data from NVD.
CNA: Linux · CVSS v3.1 · 3 references · NVD status: Analyzed

Description

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().

Lifecycle

Complete event history — 3 events, chronological
DateEventDetail
July 19, 2026ReservedReserved by Linux
July 19, 2026PublishedPublished (CNA: Linux)
October 13, 2026ENRICHEDENRICHED — CVE-2026-63998 (Linux). Received CVSS 5.5 and CPE data from NVD.

Affected

Affected products and packages — 2 rows
VendorProduct / PackageEcosystemVersion introducedFixed
LinuxLinux—32b4c8b53ee7799e34a2b1634d32d3ce1e36c44e—
LinuxLinux—6.116.18.35

References (3)

Related

Authoritative record: CVE-2026-63998 at cve.org

Vendors: linux

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-63998 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Monday, October 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.