What is CVE-2025-38498?

CVE-2025-38498 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 2.6.15 onward and patched in 5.4.295, 5.10.239, 5.15.186 and others. CVE-2025-38498 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2025-38498?

CVE-2025-38498 has a CVSS score of 5.5 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2025-38498?

Yes, CVE-2025-38498 has been patched. Fixed versions include 5.4.295, 5.10.239, 5.15.186 and others. If you are running Linux kernel 2.6.15 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2025-38498 actively exploited?

CVE-2025-38498 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2025-38498

Medium

In the Linux kernel, the following vulnerability has been resolved: do_change_type(): refuse to operate on unmounted/not ours mounts Ensure that propagation settings can only be changed for mounts located in the caller's mount namespace. This change aligns permission checking with the rest of mount(2).

Package Linux Kernel

Published 2025-07-30

Last modified 2026-05-12

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

5.5

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Vector string

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected versions

Linux kernel versions 2.6.15 and later are affected. Fixed in 5.4.295, 5.10.239, 5.15.186, 6.1.142, 6.6.94, 6.12.34, 6.15.3, 6.16 and their respective stable series.

Affected from

≥ 2.6.15

Fixed in

✓ 5.4.295 5.4.x ✓ 5.10.239 5.10.x ✓ 5.15.186 5.15.x ✓ 6.1.142 6.1.x ✓ 6.6.94 6.6.x ✓ 6.12.34 6.12.x ✓ 6.15.3 6.15.x ✓ 6.16

References

The following references provide additional information about CVE-2025-38498 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Debian Security
https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html

Third Party Advisory
Debian Security
https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html

Third Party Advisory
Cert-Portal
https://cert-portal.siemens.com/productcert/html/ssa-082556.html
Cert-Portal
https://cert-portal.siemens.com/productcert/html/ssa-089022.html
Kernel patch commit
https://git.kernel.org/stable/c/064014f7812744451d5d0592f3d2bcd727f2ee93
Patch
Kernel patch commit
https://git.kernel.org/stable/c/12f147ddd6de7382dad54812e65f3f08d05809fc
Patch
Kernel patch commit
https://git.kernel.org/stable/c/19554c79a2095ddde850906a067915c1ef3a4114
Patch

8 patch commits total View all on NVD

Details

CVE ID CVE-2025-38498

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2025-07-30

Modified 2026-05-12

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2025-38498?

CVE-2025-38498 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 2.6.15 onward and has been patched in 5.4.295, 5.10.239, 5.15.186 and others. CVE-2025-38498 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2025-38498?

CVE-2025-38498 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2025-38498?

Yes — CVE-2025-38498 has been patched. Fixed versions include 5.4.295, 5.10.239, 5.15.186 and others. If you are running Linux kernel 2.6.15 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2025-38498 actively exploited?

No — CVE-2025-38498 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.