What is CVE-2025-37977?

CVE-2025-37977 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 5.16 onward and patched in 6.12.26, 6.14.4 and 6.15. CVE-2025-37977 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2025-37977?

CVE-2025-37977 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-2025-37977?

Yes, CVE-2025-37977 has been patched. Fixed versions include 6.12.26, 6.14.4 and 6.15. If you are running Linux kernel 5.16 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2025-37977 actively exploited?

CVE-2025-37977 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2025-37977

Medium

In the Linux kernel, the following vulnerability has been resolved: scsi: ufs: exynos: Disable iocc if dma-coherent property isn't set If dma-coherent property isn't set then descriptors are non-cacheable and the iocc shareability bits should be disabled. Without this UFS can end up in an incompatible configuration and suffer from random cache related stability issues.

Package Linux Kernel

Published 2025-05-20

Last modified 2025-11-14

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 5.16 and later are affected. Fixed in 6.12.26, 6.14.4, 6.15 and their respective stable series.

Affected from

≥ 5.16

Fixed in

✓ 6.12.26 6.12.x ✓ 6.14.4 6.14.x ✓ 6.15

References

The following references provide additional information about CVE-2025-37977 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/869749e48115ef944eeabec8e84138908471fa51
Patch
Kernel patch commit
https://git.kernel.org/stable/c/f0c6728a6f2e269ebb234a9b5bb6c2c24aafeb51
Patch
Kernel patch commit
https://git.kernel.org/stable/c/f92bb7436802f8eb7ee72dc911a33c8897fde366
Patch

Details

CVE ID CVE-2025-37977

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2025-05-20

Modified 2025-11-14

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2025-37977?

CVE-2025-37977 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 5.16 onward and has been patched in 6.12.26, 6.14.4 and 6.15. CVE-2025-37977 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2025-37977?

CVE-2025-37977 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-2025-37977?

Yes — CVE-2025-37977 has been patched. Fixed versions include 6.12.26, 6.14.4 and 6.15. If you are running Linux kernel 5.16 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2025-37977 actively exploited?

No — CVE-2025-37977 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.