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CVE-2025-38489

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: s390/bpf: Fix bpf_arch_text_poke() with new_addr == NULL again Commit 7ded842b356d ("s390/bpf: Fix bpf_plt pointer arithmetic")…

Published Jul 28, 2025CWE-476EPSS 0.15%

Overview

CVE-2025-38489 is a medium-severity vulnerability. It was published on July 28, 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:

s390/bpf: Fix bpf_arch_text_poke() with new_addr == NULL again

Commit 7ded842b356d ("s390/bpf: Fix bpf_plt pointer arithmetic") has

accidentally removed the critical piece of commit c730fce7c70c

("s390/bpf: Fix bpf_arch_text_poke() with new_addr == NULL"), causing

intermittent kernel panics in e.g. perf's on_switch() prog to reappear.

Restore the fix and add a comment.

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/0c7b20f7785cfdd59403333612c90b458b12307cRefgit.kernel.org/stable/c/6a5abf8cf182f577c7ae6c62f14debc9754ec986Refgit.kernel.org/stable/c/a4f9c7846b1ac428921ce9676b1b8c80ed60093cRefgit.kernel.org/stable/c/d5629d1af0600f8cc7c9245e8d832a66358ef889

How CyberStrike helps

Frequently asked questions

What is CVE-2025-38489?

CVE-2025-38489 is a medium-severity vulnerability. It was published on July 28, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2025-38489?

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-2025-38489?

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-2025-38489?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-38489 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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