Go to homepageCyberStrike

Menu

Star on GitHub · 3.2k
Sign inDownload

CVE-2025-38212

7.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: ipc: fix to protect IPCS lookups using RCU syzbot reported that it discovered a use-after-free vulnerability, [0] [0]: https:/…

Published Jul 4, 2025CWE-416EPSS 0.19%

Overview

CVE-2025-38212 is a high-severity vulnerability. It was published on July 4, 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:

ipc: fix to protect IPCS lookups using RCU

syzbot reported that it discovered a use-after-free vulnerability, [0]

[0]: https://lore.kernel.org/all/[email protected]/

idr_for_each() is protected by rwsem, but this is not enough. If it is

not protected by RCU read-critical region, when idr_for_each() calls

radix_tree_node_free() through call_rcu() to free the radix_tree_node

structure, the node will be freed immediately, and when reading the next

node in radix_tree_for_each_slot(), the already freed memory may be read.

Therefore, we need to add code to make sure that idr_for_each() is

protected within the RCU read-critical region when we call it in

shm_destroy_orphaned().

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/5180561afff8e0f029073c8c8117c95c6512d1f9Refgit.kernel.org/stable/c/5f1e1573bf103303944fd7225559de5d8297539cRefgit.kernel.org/stable/c/68c173ea138b66d7dd1fd980c9bc578a18e11884Refgit.kernel.org/stable/c/74bc813d11c30e28fc5261dc877cca662ccfac68Refgit.kernel.org/stable/c/78297d53d3878d43c1d627d20cd09f611fa4b91dRefgit.kernel.org/stable/c/b0b6bf90ce2699a574b3683e22c44d0dcdd7a057Refgit.kernel.org/stable/c/b968ba8bfd9f90914957bbbd815413bf6a98eca7Refgit.kernel.org/stable/c/d66adabe91803ef34a8b90613c81267b5ded1472Reflists.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-2025-38212?

CVE-2025-38212 is a high-severity vulnerability. It was published on July 4, 2025 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2025-38212?

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-2025-38212?

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-2025-38212?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-38212 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.

Related HIGH CVEs from 2025

View all
Browse by year2026202520242023202220212020201920182017201620152014201320122011201020092008200720062005200420032002200120001999