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CVE-2025-39787

7.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: soc: qcom: mdt_loader: Ensure we don't read past the ELF header When the MDT loader is used in remoteproc, the ELF header is sa…

Published Sep 11, 2025EPSS 0.17%

Overview

CVE-2025-39787 is a high-severity vulnerability. It was published on September 11, 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:

soc: qcom: mdt_loader: Ensure we don't read past the ELF header

When the MDT loader is used in remoteproc, the ELF header is sanitized

beforehand, but that's not necessary the case for other clients.

Validate the size of the firmware buffer to ensure that we don't read

past the end as we iterate over the header. e_phentsize and e_shentsize

are validated as well, to ensure that the assumptions about step size in

the traversal are valid.

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/0d59ce2bfc3bb13abe6240335a1bf7b96536d022Refgit.kernel.org/stable/c/1096eb63ecfc8df90b70cd068e6de0c2ff204dfdRefgit.kernel.org/stable/c/43d26997d88c4056fce0324e72f62556bc7e8e8dRefgit.kernel.org/stable/c/81278be4eb5f08ba2c68c3055893e61cc03727feRefgit.kernel.org/stable/c/87bfabb3b2f46827639173f143aa43f7cfc0a7e6Refgit.kernel.org/stable/c/981c845f29838e468a9bfa87f784307193a31297Refgit.kernel.org/stable/c/9f9967fed9d066ed3dae9372b45ffa4f6fccfeefRefgit.kernel.org/stable/c/e1720eb32acf411c328af6a8c8f556c94535808eReflists.debian.org/debian-lts-announce/2025/10/msg00007.htmlReflists.debian.org/debian-lts-announce/2025/10/msg00008.html

How CyberStrike helps

Frequently asked questions

What is CVE-2025-39787?

CVE-2025-39787 is a high-severity vulnerability. It was published on September 11, 2025 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2025-39787?

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-2025-39787?

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-2025-39787?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-39787 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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