What is CVE-2025-38303?

CVE-2025-38303 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 6.1.168, 6.12.34, 6.15.3 and others. CVE-2025-38303 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2025-38303?

CVE-2025-38303 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-2025-38303?

Yes, CVE-2025-38303 has been patched. Fixed versions include 6.1.168, 6.12.34, 6.15.3 and others. 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-2025-38303 actively exploited?

CVE-2025-38303 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2025-38303

Medium

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: eir: Fix possible crashes on eir_create_adv_data eir_create_adv_data may attempt to add EIR_FLAGS and EIR_TX_POWER without checking if that would fit.

Package Linux Kernel

Published 2025-07-10

Last modified 2026-04-11

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 6.1.168, 6.12.34, 6.15.3, 6.16 and their respective stable series.

Affected from

≥ 5.16

Fixed in

✓ 6.1.168 6.1.x ✓ 6.12.34 6.12.x ✓ 6.15.3 6.15.x ✓ 6.16

References

The following references provide additional information about CVE-2025-38303 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/2af40d795d3fb0ee5c074b7ac56ab22402aa6e4f
Patch
Kernel patch commit
https://git.kernel.org/stable/c/2d4588f55cc10fc228f3b46469dbfb3f0a8b13c8
Patch
Kernel patch commit
https://git.kernel.org/stable/c/47c03902269aff377f959dc3fd94a9733aa31d6e
Patch

4 patch commits total View all on NVD

Details

CVE ID CVE-2025-38303

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2025-07-10

Modified 2026-04-11

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2025-38303?

CVE-2025-38303 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 6.1.168, 6.12.34, 6.15.3 and others. CVE-2025-38303 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2025-38303?

CVE-2025-38303 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-2025-38303?

Yes — CVE-2025-38303 has been patched. Fixed versions include 6.1.168, 6.12.34, 6.15.3 and others. 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-2025-38303 actively exploited?

No — CVE-2025-38303 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.