CVE-2025-38702

Severity CVSS v4.0:

Pending analysis

Type:

CWE-787 Out-of-bounds Write

Publication date:

04/09/2025

Last modified:

23/01/2026

Description

In the Linux kernel, the following vulnerability has been resolved: fbdev: fix potential buffer overflow in do_register_framebuffer() The current implementation may lead to buffer overflow when: 1. Unregistration creates NULL gaps in registered_fb[] 2. All array slots become occupied despite num_registered_fb

Impact

Vector 3.x

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.80 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x

7.80

Severity 3.x

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::	2.6.12.1 (including)	6.1.149 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.2 (including)	6.6.103 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.7 (including)	6.12.43 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.13 (including)	6.15.11 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.16 (including)	6.16.2 (excluding)
cpe:2.3:o:linux:linux_kernel:2.6.12:-::::::
cpe:2.3:o:linux:linux_kernel:2.6.12:rc2::::::
cpe:2.3:o:linux:linux_kernel:2.6.12:rc3::::::
cpe:2.3:o:linux:linux_kernel:2.6.12:rc4::::::
cpe:2.3:o:linux:linux_kernel:2.6.12:rc5::::::
cpe:2.3:o:debian:debian_linux:11.0:::::::*

To consult the complete list of CPE names with products and versions, see this page

CVE-2025-38702

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools