What is CVE-2025-38043?

CVE-2025-38043 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 5.14 onward and patched in 5.15.185, 6.1.141, 6.6.93 and others. CVE-2025-38043 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2025-38043?

CVE-2025-38043 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-2025-38043?

Yes, CVE-2025-38043 has been patched. Fixed versions include 5.15.185, 6.1.141, 6.6.93 and others. If you are running Linux kernel 5.14 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2025-38043 actively exploited?

CVE-2025-38043 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2025-38043

Medium

In the Linux kernel, the following vulnerability has been resolved: firmware: arm_ffa: Set dma_mask for ffa devices Set dma_mask for FFA devices, otherwise DMA allocation using the device pointer lead to following warning: WARNING: CPU: 1 PID: 1 at kernel/dma/mapping.c:597 dma_alloc_attrs+0xe0/0x124

Package Linux Kernel

Published 2025-06-18

Last modified 2025-12-17

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 5.14 and later are affected. Fixed in 5.15.185, 6.1.141, 6.6.93, 6.12.31, 6.14.9, 6.15 and their respective stable series.

Affected from

≥ 5.14

Fixed in

✓ 5.15.185 5.15.x ✓ 6.1.141 6.1.x ✓ 6.6.93 6.6.x ✓ 6.12.31 6.12.x ✓ 6.14.9 6.14.x ✓ 6.15

References

The following references provide additional information about CVE-2025-38043 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Debian Security
https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html

Third Party Advisory
Kernel patch commit
https://git.kernel.org/stable/c/2e62c803feec1ef5847d8fa47dd0de039abfa378
Patch
Kernel patch commit
https://git.kernel.org/stable/c/3a3efeef64364c2a028cf0d03d68c831813a97fd
Patch
Kernel patch commit
https://git.kernel.org/stable/c/97bab02f0b64ba6bcdf6a8fae561db07f509aee9
Patch

6 patch commits total View all on NVD

Details

CVE ID CVE-2025-38043

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2025-06-18

Modified 2025-12-17

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2025-38043?

CVE-2025-38043 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 5.14 onward and has been patched in 5.15.185, 6.1.141, 6.6.93 and others. CVE-2025-38043 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2025-38043?

CVE-2025-38043 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-2025-38043?

Yes — CVE-2025-38043 has been patched. Fixed versions include 5.15.185, 6.1.141, 6.6.93 and others. If you are running Linux kernel 5.14 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2025-38043 actively exploited?

No — CVE-2025-38043 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.