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CVE-2025-38269

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: btrfs: exit after state insertion failure at btrfs_convert_extent_bit() If insert_state() state failed it returns an error poin…

Published Jul 10, 2025CWE-476EPSS 0.19%

Overview

CVE-2025-38269 is a medium-severity vulnerability. It was published on July 10, 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:

btrfs: exit after state insertion failure at btrfs_convert_extent_bit()

If insert_state() state failed it returns an error pointer and we call

extent_io_tree_panic() which will trigger a BUG() call. However if

CONFIG_BUG is disabled, which is an uncommon and exotic scenario, then

we fallthrough and call cache_state() which will dereference the error

pointer, resulting in an invalid memory access.

So jump to the 'out' label after calling extent_io_tree_panic(), it also

makes the code more clear besides dealing with the exotic scenario where

CONFIG_BUG is disabled.

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/3bf179e36da917c5d9bec71c714573ed1649b7c1Refgit.kernel.org/stable/c/58c50f45e1821a04d61b62514f9bd34afe67c622Refgit.kernel.org/stable/c/8d9d32088e304e2bc444a3087cab0bbbd9951866

How CyberStrike helps

Frequently asked questions

What is CVE-2025-38269?

CVE-2025-38269 is a medium-severity vulnerability. It was published on July 10, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2025-38269?

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-2025-38269?

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-2025-38269?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-38269 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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