CVE-2026-63997

Updated on 19 Jul 2026

Severity

Awaiting Analysis

Details

Overview

About vulnerability

In the Linux kernel, the following vulnerability has been resolved:

ethtool: module: avoid leaking a netdev ref on module flash errors

module_flash_fw_schedule() is missing undo for setting the “in_progress” flag and taking the netdev reference. Delay taking these, the device can’t disappear while we are holding rtnl_lock.

Details

Affected packages:
kernel @ 4.18.0 (+4 more)

Fixes