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CVE-2025-23156

7.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: media: venus: hfi_parser: refactor hfi packet parsing logic words_count denotes the number of words in total payload, while dat…

Published May 1, 2025CWE-125EPSS 0.22%

Overview

CVE-2025-23156 is a high-severity vulnerability. It was published on May 1, 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:

media: venus: hfi_parser: refactor hfi packet parsing logic

words_count denotes the number of words in total payload, while data

points to payload of various property within it. When words_count

reaches last word, data can access memory beyond the total payload. This

can lead to OOB access. With this patch, the utility api for handling

individual properties now returns the size of data consumed. Accordingly

remaining bytes are calculated before parsing the payload, thereby

eliminates the OOB access possibilities.

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/05b07e52a0d08239147ba3460045855f4fb398deRefgit.kernel.org/stable/c/0beabe9b49190a02321b02792b29fc0f0e28b51fRefgit.kernel.org/stable/c/0f9a4bab7d83738963365372e4745854938eab2dRefgit.kernel.org/stable/c/6d278c5548d840c4d85d445347b2a5c31b2ab3a0Refgit.kernel.org/stable/c/9edaaa8e3e15aab1ca413ab50556de1975bcb329Refgit.kernel.org/stable/c/a736c72d476d1c7ca7be5018f2614ee61168ad01Refgit.kernel.org/stable/c/bb3fd8b7906a12dc2b61389abb742bf6542d97fbRefgit.kernel.org/stable/c/f195e94c7af921d99abd79f57026a218d191d2c7Reflists.debian.org/debian-lts-announce/2025/05/msg00030.htmlReflists.debian.org/debian-lts-announce/2025/05/msg00045.html

How CyberStrike helps

Frequently asked questions

What is CVE-2025-23156?

CVE-2025-23156 is a high-severity vulnerability. It was published on May 1, 2025 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2025-23156?

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-2025-23156?

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-2025-23156?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-23156 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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