What is CVE-2025-39918?

CVE-2025-39918 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 6.12 onward and patched in 6.12.46, 6.16.6 and 6.17. CVE-2025-39918 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2025-39918?

CVE-2025-39918 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-2025-39918?

Yes, CVE-2025-39918 has been patched. Fixed versions include 6.12.46, 6.16.6 and 6.17. If you are running Linux kernel 6.12 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2025-39918 actively exploited?

CVE-2025-39918 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2025-39918

Medium

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: fix linked list corruption Never leave scheduled wcid entries on the temporary on-stack list

Package Linux Kernel

Published 2025-10-01

Last modified 2026-01-14

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 6.12 and later are affected. Fixed in 6.12.46, 6.16.6, 6.17 and their respective stable series.

Affected from

≥ 6.12

Fixed in

✓ 6.12.46 6.12.x ✓ 6.16.6 6.16.x ✓ 6.17

References

The following references provide additional information about CVE-2025-39918 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Kernel patch commit
https://git.kernel.org/stable/c/49fba87205bec14a0f6bd997635bf3968408161e
Patch
Kernel patch commit
https://git.kernel.org/stable/c/c91a59b04f928cb4a1436b0e0a27650883d0388a
Patch
Kernel patch commit
https://git.kernel.org/stable/c/e4d5a5fc61fdc65220a1ce078d24c1d20bbb0835
Patch

Details

CVE ID CVE-2025-39918

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2025-10-01

Modified 2026-01-14

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2025-39918?

CVE-2025-39918 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 6.12 onward and has been patched in 6.12.46, 6.16.6 and 6.17. CVE-2025-39918 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2025-39918?

CVE-2025-39918 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-2025-39918?

Yes — CVE-2025-39918 has been patched. Fixed versions include 6.12.46, 6.16.6 and 6.17. If you are running Linux kernel 6.12 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2025-39918 actively exploited?

No — CVE-2025-39918 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.