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CVE-2025-38444

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: raid10: cleanup memleak at raid10_make_request If raid10_read_request or raid10_write_request registers a new request and the R…

Published Jul 25, 2025CWE-401EPSS 0.17%

Overview

CVE-2025-38444 is a medium-severity vulnerability. It was published on July 25, 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:

raid10: cleanup memleak at raid10_make_request

If raid10_read_request or raid10_write_request registers a new

request and the REQ_NOWAIT flag is set, the code does not

free the malloc from the mempool.

unreferenced object 0xffff8884802c3200 (size 192):

comm "fio", pid 9197, jiffies 4298078271

hex dump (first 32 bytes):

00 00 00 00 00 00 00 00 88 41 02 00 00 00 00 00 .........A......

08 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................

backtrace (crc c1a049a2):

__kmalloc+0x2bb/0x450

mempool_alloc+0x11b/0x320

raid10_make_request+0x19e/0x650 [raid10]

md_handle_request+0x3b3/0x9e0

__submit_bio+0x394/0x560

__submit_bio_noacct+0x145/0x530

submit_bio_noacct_nocheck+0x682/0x830

__blkdev_direct_IO_async+0x4dc/0x6b0

blkdev_read_iter+0x1e5/0x3b0

__io_read+0x230/0x1110

io_read+0x13/0x30

io_issue_sqe+0x134/0x1180

io_submit_sqes+0x48

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/10c6021a609deb95f23f0cc2f89aa9d4bffb14c7Refgit.kernel.org/stable/c/2941155d9a5ae098b480d551f3a5f8605d4f9af5Refgit.kernel.org/stable/c/43806c3d5b9bb7d74ba4e33a6a8a41ac988bde24Refgit.kernel.org/stable/c/8fc3d7b23d139e3cbc944c15d99b3cdbed797d2dRefgit.kernel.org/stable/c/9af149ca9d0dab6e59e813519d309eff62499864Refgit.kernel.org/stable/c/ed7bcd9f617e4107ac0813c516e72e6b8f6029bdReflists.debian.org/debian-lts-announce/2025/10/msg00008.html

How CyberStrike helps

Frequently asked questions

What is CVE-2025-38444?

CVE-2025-38444 is a medium-severity vulnerability. It was published on July 25, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2025-38444?

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-2025-38444?

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-2025-38444?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-38444 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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