Secuno
ENNL
Book demo

CVE-2025-38660

Linux Kernel vulnerability

9.8 CRITICALEPSS 0.39%
  1. Published22 Aug 2025

Description

In the Linux kernel, the following vulnerability has been resolved: [ceph] parse_longname(): strrchr() expects NUL-terminated string ... and parse_longname() is not guaranteed that. That's the reason why it uses kmemdup_nul() to build the argument for kstrtou64(); the problem is, kstrtou64() is not the only thing that need it. Just get a NUL-terminated copy of the entire thing and be done with that...

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Linux Kernel≥ 6.13 < 6.15.10 · ≥ 6.16 < 6.16.1 · ≥ 6.6 < 6.12.42

Remediation

Fixed in
Linux Kernel≥ 6.15.10

References

Frequently asked

Is CVE-2025-38660 being actively exploited?

CVE-2025-38660 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.39%.

How severe is CVE-2025-38660?

CVE-2025-38660 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.39% probability of exploitation.

Which products are affected by CVE-2025-38660?

Affected products include Linux Kernel.

How do I fix CVE-2025-38660?

Upgrade affected software to a fixed version, for example Linux Kernel 6.15.10 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-38660 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

See how prioritisation worksBook a demo

Get Patch this first every Monday

Five vulnerabilities that matter this week, ranked on real exploitation. Plain language, one email, no spam.

You can unsubscribe with one click from every issue. We handle your details as described in our privacy policy.

Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.