CVE-2026-63998

kernel: ethtool: module: call ethnl_ops_complete() on module flash errors

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Severity

Low

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · July 19, 2026

Updated · October 29, 2026

Description

A flaw was found in the Linux kernel's ethtool module. When attempting to flash transceiver modules' firmware, a validation failure could cause the ethnl_ops_complete() function to be skipped. This oversight means that an operation initiated by ethnl_ops_begin() might not be properly concluded, potentially leading to unexpected behavior or resource management issues within the kernel.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-459 · Incomplete Cleanup