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CVE-2025-38676

7.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Avoid stack buffer overflow from kernel cmdline While the kernel command line is considered trusted in most environm…

Published Aug 26, 2025CWE-787EPSS 0.40%

Overview

CVE-2025-38676 is a high-severity vulnerability. It was published on August 26, 2025 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. 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:

iommu/amd: Avoid stack buffer overflow from kernel cmdline

While the kernel command line is considered trusted in most environments,

avoid writing 1 byte past the end of "acpiid" if the "str" argument is

maximum length.

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/0ad8509b468fa1058f4f400a1829f29e4ccc4de8Refgit.kernel.org/stable/c/4bdb0f78bddbfa77d3ab458a21dd9cec495d317aRefgit.kernel.org/stable/c/736db11c86f03e717fc4bf771d05efdf10d23acbRefgit.kernel.org/stable/c/8503d0fcb1086a7cfe26df67ca4bd9bd9e99bdecRefgit.kernel.org/stable/c/8f80c633cba144f721d38d9380f23d23ab7db10eRefgit.kernel.org/stable/c/9ff52d3af0ef286535749e14e3fe9eceb39a8349Refgit.kernel.org/stable/c/a732502bf3bbe859613b6d7b2b0313b11f0474acReflists.debian.org/debian-lts-announce/2025/10/msg00007.htmlReflists.debian.org/debian-lts-announce/2025/10/msg00008.htmlRefcert-portal.siemens.com/productcert/html/ssa-032379.html

How CyberStrike helps

Frequently asked questions

What is CVE-2025-38676?

CVE-2025-38676 is a high-severity vulnerability. It was published on August 26, 2025 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2025-38676?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2025-38676?

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-2025-38676?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-38676 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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