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CVE-2026-72037

Published Aug 15, 2026 EPSS 0.21% (11th pctl)

Overview

CVE-2026-72037 is a known-severity vulnerability. It was published on August 15, 2026.

Technical Description

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

net: lan743x: Initialize eth_syslock spinlock before use

lan743x_hardware_init() calls pci11x1x_strap_get_status() during the

PCI11x1x probe sequence. That helper acquires the Ethernet subsystem

hardware lock via lan743x_hs_syslock_acquire(), which relies on

adapter->eth_syslock_spinlock to serialize access.

The spinlock is currently initialized only after the strap status is

read. With CONFIG_DEBUG_SPINLOCK enabled, taking the zeroed initialized

spinlock can trip the spinlock debug check.

Fix by initializing adapter->eth_syslock_spinlock before reading the

strap status so the probe path never attempts to lock an uninitialized

spinlock.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Ref git.kernel.org/stable/c/39139b1c1c2b614096519b526112c726adb12ff0 Ref git.kernel.org/stable/c/6523daa6852b1bfef32ec7a105b0217e8a115687 Ref git.kernel.org/stable/c/99a6f37b113c46815deb160c5012073563679ef4 Ref git.kernel.org/stable/c/b6a93a42e0e61f0ba0005a942ee3bffb16c0574e Ref git.kernel.org/stable/c/b99e890e6b32ffa11c145a16fefcf2c7137a9578 Ref git.kernel.org/stable/c/dfaefd9a7808736fcd2ed0de108f55c4badc15cc

Frequently Asked Questions

What is CVE-2026-72037?

CVE-2026-72037 is a known-severity vulnerability. It was published on August 15, 2026.

How severe is CVE-2026-72037?

CVSS score information is not yet available for this vulnerability. Check back as the CVE record is updated by NVD analysts.

How do I fix or remediate CVE-2026-72037?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-72037?

CyberStrike's AI-powered security agents can automatically detect CVE-2026-72037 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.

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