What is CVE-2025-38315?

CVE-2025-38315 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, classified as a Uncontrolled Recursion flaw (CWE-674), affecting Linux kernel versions from 6.11 onward and patched in 6.12.34, 6.15.3 and 6.16. CVE-2025-38315 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2025-38315?

CVE-2025-38315 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-2025-38315?

Yes, CVE-2025-38315 has been patched. Fixed versions include 6.12.34, 6.15.3 and 6.16. If you are running Linux kernel 6.11 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2025-38315 actively exploited?

CVE-2025-38315 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Uncontrolled Recursion (CWE-674)?

The product does not properly control the amount of recursion which triggers resource consumption. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/674.html

CVE-2025-38315

Medium

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btintel: Check dsbr size from EFI variable Since the size of struct btintel_dsbr is already known, we can just start there instead of querying the EFI variable size. If the final result doesn't match what we expect also fail. This fixes a stack buffer overflow when the EFI variable is larger than struct btintel_dsbr.

Package Linux Kernel

Published 2025-07-10

Last modified 2025-11-18

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

Weakness type

CWE-674

CVE-2025-38315 is a Uncontrolled Recursion vulnerability

What is Uncontrolled Recursion?

The product does not properly control the amount of recursion which triggers resource consumption. Learn more on MITRE CWE

Affected versions

Linux kernel versions 6.11 and later are affected. Fixed in 6.12.34, 6.15.3, 6.16 and their respective stable series.

Affected from

≥ 6.11

Fixed in

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

References

3 total

Kernel Git
https://git.kernel.org/stable/c/3aa1dc3c9060e335e82e9c182bf3d1db29220b1b

Patch
Kernel Git
https://git.kernel.org/stable/c/7b8526bb489780ccc0caffc446ecabec83cfe568

Patch
Kernel Git
https://git.kernel.org/stable/c/9427f6081f37c795a8bd29d0ee72a4da3bd64af8

Patch

Details

CVE ID CVE-2025-38315

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2025-07-10

Modified 2025-11-18

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2025-38315?

CVE-2025-38315 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as an Uncontrolled Recursion flaw (CWE-674) . It affects Linux kernel versions from 6.11 onward and has been patched in 6.12.34, 6.15.3 and 6.16. CVE-2025-38315 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2025-38315?

CVE-2025-38315 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-2025-38315?

Yes. CVE-2025-38315 has been patched. Fixed versions include 6.12.34, 6.15.3 and 6.16. If you are running Linux kernel 6.11 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2025-38315 actively exploited?

No. CVE-2025-38315 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.