Medium 5.5Published Jul 19, 2026

CVE-2026-63998ethtool: module: call ethnl_ops_complete() on module flash errors

Updated under an hour ago (Oct 27, 2026, 5:00 AM ET)

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No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

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().

CVSS: 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Modified
Record last updated: Oct 21, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 32b4c8b53ee7799e34a2b1634d32d3ce1e36c44e before 170d82a57f4be1ce83de823a93bafd218a0d5fb1; from 32b4c8b53ee7799e34a2b1634d32d3ce1e36c44e before d9defbf8b62bde89e206d74c2a2b445b9ed66108; from 32b4c8b53ee7799e34a2b1634d32d3ce1e36c44e before e96ef1a40dda5b637b1911cd950b11e9848de939; from 32b4c8b53ee7799e34a2b1634d32d3ce1e36c44e before 84371fb58423f997939aacdcbc02d128d76a54e5	CNA record
linux linux_kernel linux:linux_kernel	from 6.11 before 6.18.35; from 6.19 before 7.0.12; 7.1; 7.1; 7.1; 7.1; 7.1	NVD

References

References

https://git.kernel.org/stable/c/170d82a57f4be1ce83de823a93bafd218a0d5fb1
https://git.kernel.org/stable/c/d9defbf8b62bde89e206d74c2a2b445b9ed66108	patch
https://git.kernel.org/stable/c/e96ef1a40dda5b637b1911cd950b11e9848de939	patch
https://git.kernel.org/stable/c/84371fb58423f997939aacdcbc02d128d76a54e5	patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.