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CVE-2025-38383

4.7 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: mm/vmalloc: fix data race in show_numa_info() The following data-race was found in show_numa_info(): =========================…

Published Jul 25, 2025CWE-362EPSS 0.13%

Overview

CVE-2025-38383 is a medium-severity vulnerability. It was published on July 25, 2025 and has a CVSS 3.1 base score of 4.7 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.7, 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:

mm/vmalloc: fix data race in show_numa_info()

The following data-race was found in show_numa_info():

==================================================================

BUG: KCSAN: data-race in vmalloc_info_show / vmalloc_info_show

read to 0xffff88800971fe30 of 4 bytes by task 8289 on cpu 0:

show_numa_info mm/vmalloc.c:4936 [inline]

vmalloc_info_show+0x5a8/0x7e0 mm/vmalloc.c:5016

seq_read_iter+0x373/0xb40 fs/seq_file.c:230

proc_reg_read_iter+0x11e/0x170 fs/proc/inode.c:299

....

write to 0xffff88800971fe30 of 4 bytes by task 8287 on cpu 1:

show_numa_info mm/vmalloc.c:4934 [inline]

vmalloc_info_show+0x38f/0x7e0 mm/vmalloc.c:5016

seq_read_iter+0x373/0xb40 fs/seq_file.c:230

proc_reg_read_iter+0x11e/0x170 fs/proc/inode.c:299

....

value changed: 0x0000008f -> 0x00000000

==================================================================

According to this report,there is a read/write data-race because

m->private

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/5c5f0468d172ddec2e333d738d2a1f85402cf0bcRefgit.kernel.org/stable/c/5c966f447a584ece3c70395898231aeb56256ee7Refgit.kernel.org/stable/c/ead91de35d9cd5c4f80ec51e6020f342079170af

How CyberStrike helps

Frequently asked questions

What is CVE-2025-38383?

CVE-2025-38383 is a medium-severity vulnerability. It was published on July 25, 2025 and has a CVSS 3.1 base score of 4.7 (MEDIUM).

How severe is CVE-2025-38383?

This vulnerability has a CVSS 3.1 base score of 4.7, 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-2025-38383?

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-2025-38383?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-38383 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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