CVE-2026-72037
kernel: net: lan743x: Initialize eth_syslock spinlock before use
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · August 15, 2026
Updated · August 19, 2026
Description
A flaw was found in the Linux kernel's lan743x Ethernet driver. A system lock, or spinlock, is accessed during the driver's initialization sequence before it has been properly set up. This improper initialization can lead to a system crash if kernel debugging features are enabled, resulting in a Denial of Service (DoS).
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 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-908 · Use of Uninitialized Resource