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CVE-2026-72326

Published Aug 15, 2026 EPSS 0.22% (12th pctl)

Overview

CVE-2026-72326 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/sched: cake: reject overhead values that underflow length

CAKE accepts signed overhead values and stores them in an s16, but the

adjusted packet length calculation uses unsigned arithmetic. A negative

effective length can therefore wrap to a large value.

Such configurations make rate accounting depend on integer wraparound

rather than on the packet size userspace intended to model. A static

netlink lower bound is not enough because packets reaching CAKE can be

smaller than any reasonable manual-overhead allowance.

Fold the signed overhead adjustment into the existing datapath MPU clamp

so negative adjusted lengths are clamped before link-layer framing

adjustments.

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/297f459865360b46a887667cbf3aac6a6f013841 Ref git.kernel.org/stable/c/336c1e414fc0e9844d445174e8ada2a7dd8d1c4b Ref git.kernel.org/stable/c/7aa0e64fea778a9e3df73e64da95367ff8ad2ea5 Ref git.kernel.org/stable/c/b7f97cae7ec1b6c3c32843c42be218690d310467 Ref git.kernel.org/stable/c/bcdf3a3664f7d2c4e37e155f30f72ef33f041804 Ref git.kernel.org/stable/c/e1df6cff03aad8c96e55a8b2a991e505c7a3ff6f Ref git.kernel.org/stable/c/f1e7807df5bf2d42a40266430e9f82f37633cdcf Ref git.kernel.org/stable/c/f511dd7bf6077aa7afbe72914520553fedaacbb4

Frequently Asked Questions

What is CVE-2026-72326?

CVE-2026-72326 is a known-severity vulnerability. It was published on August 15, 2026.

How severe is CVE-2026-72326?

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-2026-72326?

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-2026-72326?

CyberStrike's AI-powered security agents can automatically detect CVE-2026-72326 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.

How CyberStrike Helps

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