CVE-2025-38498: debian linux — Fix

Description

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).

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CVSS v3.1 Score

5.5

MEDIUM

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

Affected Products

Vendor	Product	Versions
linux	linux_kernel	2.6.15 — 5.4.295
linux	linux_kernel	5.5 — 5.10.239
linux	linux_kernel	5.11 — 5.15.186
linux	linux_kernel	5.16 — 6.1.142
linux	linux_kernel	6.2 — 6.6.94
linux	linux_kernel	6.7 — 6.12.34
linux	linux_kernel	6.13 — 6.15.3
debian	debian_linux	All

References

Advisories & Patches

https://git.kernel.org/stable/c/064014f7812744451d5d0592f3d2bcd727f2ee93 https://git.kernel.org/stable/c/12f147ddd6de7382dad54812e65f3f08d05809fc https://git.kernel.org/stable/c/19554c79a2095ddde850906a067915c1ef3a4114 https://git.kernel.org/stable/c/432a171d60056489270c462e651e6c3a13f855b1 https://git.kernel.org/stable/c/4f091ad0862b02dc42a19a120b7048de848561f8 https://git.kernel.org/stable/c/787937c4e373f1722c4343e5a5a4eb0f8543e589 https://git.kernel.org/stable/c/9c1ddfeb662b668fff69c5f1cfdd9f5d23d55d23 https://git.kernel.org/stable/c/c7d11fdf8e5db5f34a6c062c7e6ba3a0971879d2

Other References

https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html https://cert-portal.siemens.com/productcert/html/ssa-082556.html https://cert-portal.siemens.com/productcert/html/ssa-089022.html

Frequently Asked Questions

What is CVE-2025-38498? +

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). It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2025-38498? +

CVE-2025-38498 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-38498? +

CVE-2025-38498 affects products from debian, linux, specifically: debian_linux, linux_kernel. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-38498? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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