vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2026-63997

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

MEDIUM
5.5
CVSS Score
Published: July 19, 2026 at 02:56 PM UTC
Updated: October 13, 2026 at 02:39 PM UTC
1 product affected across 1 vendorLinux Kernel

Using Linux by Linux?

Get instant alerts when new vulnerabilities affect Linux - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
MEDIUM5.5
Exploit prediction
EPSS 0.1%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
95%
6.11 ≤ v < 6.12.936.13 ≤ v < 6.18.356.19 ≤ v < 7.0.1232b4c8b53ee7799e34a2b1634d32d3ce1e36c44e6.117.1
Vendor states this is fixed in 61848c83b9132ab839809fe415ba7802a0aca4f6 (fixed)
Vendor states this is fixed in 956b134d917fd7e014dc7e39a9b7610c04fcc9ba (fixed)
Vendor states this is fixed in f7b4513e77f9571dc1041a798b93b5c4a4bfc191 (fixed)
Vendor states this is fixed in fb7f511d62692661846c47f199e0afe25c2982db (fixed)
Vendor states this is fixed in 6.11 (unaffected)
Vendor states this is fixed in 6.12.93 (unaffected)
Vendor states this is fixed in 6.18.35 (unaffected)
Vendor states this is fixed in 7.0.12 (unaffected)
Vendor states this is fixed in 7.1 (unaffected)

References (4)

Patch
Source: cverecord
https://git.kernel.org/stable/c/f7b4513e77f9571dc1041a798b93b5c4a4bfc191
Patch
Source: cverecord
https://git.kernel.org/stable/c/61848c83b9132ab839809fe415ba7802a0aca4f6
Patch
Source: cverecord
https://git.kernel.org/stable/c/956b134d917fd7e014dc7e39a9b7610c04fcc9ba
Patch
Source: cverecord
https://git.kernel.org/stable/c/fb7f511d62692661846c47f199e0afe25c2982db

CVSS

5.5MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-401

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card