What is CVE-2025-21784?

CVE-2025-21784 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 6.3 onward and patched in 6.6.79, 6.12.16, 6.13.4 and others. CVE-2025-21784 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2025-21784?

CVE-2025-21784 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-2025-21784?

Yes, CVE-2025-21784 has been patched. Fixed versions include 6.6.79, 6.12.16, 6.13.4 and others. If you are running Linux kernel 6.3 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2025-21784 actively exploited?

CVE-2025-21784 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2025-21784

Medium

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: bail out when failed to load fw in psp_init_cap_microcode() In function psp_init_cap_microcode(), it should bail out when failed to load firmware, otherwise it may cause invalid memory access.

Package Linux Kernel

Published 2025-02-27

Last modified 2025-10-28

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 6.3 and later are affected. Fixed in 6.6.79, 6.12.16, 6.13.4, 6.14 and their respective stable series.

Affected from

≥ 6.3

Fixed in

✓ 6.6.79 6.6.x ✓ 6.12.16 6.12.x ✓ 6.13.4 6.13.x ✓ 6.14

References

The following references provide additional information about CVE-2025-21784 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/3f40a7ff39d9f1d283d5aa9b13e2fb16200aff5f
Patch
Kernel patch commit
https://git.kernel.org/stable/c/a0a455b4bc7483ad60e8b8a50330c1e05bb7bfcf
Patch
Kernel patch commit
https://git.kernel.org/stable/c/d1d10bd595539ed82ab59b60249f9bdf0994f678
Patch

4 patch commits total View all on NVD

Details

CVE ID CVE-2025-21784

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2025-02-27

Modified 2025-10-28

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2025-21784?

CVE-2025-21784 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 6.3 onward and has been patched in 6.6.79, 6.12.16, 6.13.4 and others. CVE-2025-21784 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2025-21784?

CVE-2025-21784 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-2025-21784?

Yes — CVE-2025-21784 has been patched. Fixed versions include 6.6.79, 6.12.16, 6.13.4 and others. If you are running Linux kernel 6.3 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2025-21784 actively exploited?

No — CVE-2025-21784 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.