What is CVE-2025-21819?

CVE-2025-21819 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 6.1.128 onward and patched in 6.1.129, 6.6.78, 6.12.14 and others. CVE-2025-21819 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2025-21819?

CVE-2025-21819 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-2025-21819?

Yes, CVE-2025-21819 has been patched. Fixed versions include 6.1.129, 6.6.78, 6.12.14 and others. If you are running Linux kernel 6.1.128 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2025-21819 actively exploited?

CVE-2025-21819 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2025-21819

Medium

In the Linux kernel, the following vulnerability has been resolved: Revert "drm/amd/display: Use HW lock mgr for PSR1" This reverts commit a2b5a9956269 ("drm/amd/display: Use HW lock mgr for PSR1") Because it may cause system hang while connect with two edp panel.

Package Linux Kernel

Published 2025-02-27

Last modified 2025-11-03

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 6.1.128, 6.6.75, 6.12.12, 6.13 and later are affected. Fixed in 6.1.129, 6.6.78, 6.12.14, 6.13.3, 6.14 and their respective stable series.

Affected from

≥ 6.1.128 ≥ 6.6.75 ≥ 6.12.12 ≥ 6.13

Fixed in

✓ 6.1.129 6.1.x ✓ 6.6.78 6.6.x ✓ 6.12.14 6.12.x ✓ 6.13.3 6.13.x ✓ 6.14

References

6 total

Kernel Git
https://git.kernel.org/stable/c/915697c2e69ac8d14dad498e6d6f43dbb7de3787

Patch
Kernel Git
https://git.kernel.org/stable/c/95c75578c420110c43791295985abb961d6dc033

Patch
Kernel Git
https://git.kernel.org/stable/c/a978864653e45d2671f99b09afcc1110e45d3dd9

Patch
Kernel Git
https://git.kernel.org/stable/c/dcc3f2c06d80da39eee742b51ddf0781affb260c

Patch
Kernel Git
https://git.kernel.org/stable/c/f245b400a223a71d6d5f4c72a2cb9b573a7fc2b6

Patch

Showing 5 of 6 references View all on NVD

Details

CVE ID CVE-2025-21819

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2025-02-27

Modified 2025-11-03

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2025-21819?

CVE-2025-21819 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 6.1.128 onward and has been patched in 6.1.129, 6.6.78, 6.12.14 and others. CVE-2025-21819 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2025-21819?

CVE-2025-21819 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-2025-21819?

Yes. CVE-2025-21819 has been patched. Fixed versions include 6.1.129, 6.6.78, 6.12.14 and others. If you are running Linux kernel 6.1.128 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2025-21819 actively exploited?

No. CVE-2025-21819 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.