What is CVE-2025-38548?

CVE-2025-38548 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10, affecting Linux kernel versions from 5.9 onward and patched in 5.10.241, 5.15.190, 6.1.147 and others. CVE-2025-38548 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2025-38548?

CVE-2025-38548 has a CVSS score of 7.8 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2025-38548?

Yes, CVE-2025-38548 has been patched. Fixed versions include 5.10.241, 5.15.190, 6.1.147 and others. If you are running Linux kernel 5.9 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2025-38548 actively exploited?

CVE-2025-38548 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2025-38548

High

In the Linux kernel, the following vulnerability has been resolved: hwmon: (corsair-cpro) Validate the size of the received input buffer Add buffer_recv_size to store the size of the received bytes. Validate buffer_recv_size in send_usb_cmd().

Package Linux Kernel

Published 2025-08-16

Last modified 2026-01-07

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

7.8

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected versions

Linux kernel versions 5.9 and later are affected. Fixed in 5.10.241, 5.15.190, 6.1.147, 6.6.100, 6.12.40, 6.15.8, 6.16 and their respective stable series.

Affected from

≥ 5.9

Fixed in

✓ 5.10.241 5.10.x ✓ 5.15.190 5.15.x ✓ 6.1.147 6.1.x ✓ 6.6.100 6.6.x ✓ 6.12.40 6.12.x ✓ 6.15.8 6.15.x ✓ 6.16

References

The following references provide additional information about CVE-2025-38548 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/msg00007.html

Mailing List Third Party Advisory
Debian Security
https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html

Mailing List Third Party Advisory
Kernel patch commit
https://git.kernel.org/stable/c/0db770e2922389753ddbd6663a5516a32b97b743
Patch
Kernel patch commit
https://git.kernel.org/stable/c/2771d2ee3d95700f34e1e4df6a445c90565cd4e9
Patch
Kernel patch commit
https://git.kernel.org/stable/c/2e6f4d9cfbda52700c126c5a2b93dd2042e8680c
Patch

7 patch commits total View all on NVD

Details

CVE ID CVE-2025-38548

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2025-08-16

Modified 2026-01-07

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2025-38548?

CVE-2025-38548 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 . It affects Linux kernel versions from 5.9 onward and has been patched in 5.10.241, 5.15.190, 6.1.147 and others. CVE-2025-38548 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2025-38548?

CVE-2025-38548 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2025-38548?

Yes — CVE-2025-38548 has been patched. Fixed versions include 5.10.241, 5.15.190, 6.1.147 and others. If you are running Linux kernel 5.9 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2025-38548 actively exploited?

No — CVE-2025-38548 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.