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CVE-2025-38158

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: hisi_acc_vfio_pci: fix XQE dma address error The dma addresses of EQE and AEQE are wrong after migration and results in guest k…

Published Jul 3, 2025EPSS 0.11%

Overview

CVE-2025-38158 is a medium-severity vulnerability. It was published on July 3, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

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

hisi_acc_vfio_pci: fix XQE dma address error

The dma addresses of EQE and AEQE are wrong after migration and

results in guest kernel-mode encryption services failure.

Comparing the definition of hardware registers, we found that

there was an error when the data read from the register was

combined into an address. Therefore, the address combination

sequence needs to be corrected.

Even after fixing the above problem, we still have an issue

where the Guest from an old kernel can get migrated to

new kernel and may result in wrong data.

In order to ensure that the address is correct after migration,

if an old magic number is detected, the dma address needs to be

updated.

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/7710c883eb8cb5cf510ca47ec0e26c6cb7e94a4fRefgit.kernel.org/stable/c/809a9c10274e1bcf6d05f1c0341459a425a4f05fRefgit.kernel.org/stable/c/884a76e813178778d271fea59783763d32bb7e72Refgit.kernel.org/stable/c/8bb7170c5a055ea17c6857c256ee73c10ff872ebRefgit.kernel.org/stable/c/f0423873e7aeb69cb68f4e8fa3827832e7b037baReflists.debian.org/debian-lts-announce/2025/10/msg00008.html

How CyberStrike helps

Frequently asked questions

What is CVE-2025-38158?

CVE-2025-38158 is a medium-severity vulnerability. It was published on July 3, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2025-38158?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2025-38158?

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-2025-38158?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-38158 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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