CVE-2025-38315

MediumCVSS 5.5/10Last modified Nov 5, 2026

Description

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.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-674

Affected software

VendorProductVersions
LinuxLinux>= eb9e749c0182affafadfbe5ded4503c4b5a9b57c, < 9427f6081f37c795a8bd29d0ee72a4da3bd64af8; >= eb9e749c0182affafadfbe5ded4503c4b5a9b57c, < 7b8526bb489780ccc0caffc446ecabec83cfe568; >= eb9e749c0182affafadfbe5ded4503c4b5a9b57c, < 3aa1dc3c9060e335e82e9c182bf3d1db29220b1b
LinuxLinux6.11

References

Timeline

Published
Jul 10, 2025
Last modified
Nov 5, 2026
NVD status
Analyzed

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CVE-2025-38315: Medium severity, CVSS 5.5 | Vulnix