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CVE-2026-72495

9.3 · CRITICAL

In the Linux kernel, the following vulnerability has been resolved: RDMA/bnxt_re: Avoid repeated requests to allocate WC pages Applications can request multiple WC pages for the same ucontext.

Published Aug 15, 2026EPSS 0.19%

Overview

CVE-2026-72495 is a critical-severity vulnerability. It was published on August 15, 2026 and has a CVSS 3.1 base score of 9.3 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.3, rated CRITICAL. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

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

RDMA/bnxt_re: Avoid repeated requests to allocate WC pages

Applications can request multiple WC pages for the same ucontext.

As of now, only 1 WC page per ucontext is supported. Add a lock to

avoid concurrent access and a check to fail repeated requests.

Also, if the mmap entry insert fails for the WC, free the Doorbell

page index mapped for the WC page.

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

Refgit.kernel.org/stable/c/441baa79043431807115fd030d7d0bb14ed441a0Refgit.kernel.org/stable/c/478c4d24193fe3e6aa2accd4874ae43000e4a217Refgit.kernel.org/stable/c/da406b8b49c1dfe661a497483940d7ee781430db

How CyberStrike helps

Frequently asked questions

What is CVE-2026-72495?

CVE-2026-72495 is a critical-severity vulnerability. It was published on August 15, 2026 and has a CVSS 3.1 base score of 9.3 (CRITICAL).

How severe is CVE-2026-72495?

This vulnerability has a CVSS 3.1 base score of 9.3, rated CRITICAL. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-72495?

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-2026-72495?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-72495 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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