CVE-2025-21743

Severity CVSS v4.0:

Pending analysis

Type:

CWE-125 Out-of-bounds Read

Publication date:

27/02/2025

Last modified:

05/03/2025

Description

In the Linux kernel, the following vulnerability has been resolved: usbnet: ipheth: fix possible overflow in DPE length check Originally, it was possible for the DPE length check to overflow if wDatagramIndex + wDatagramLength > U16_MAX. This could lead to an OoB read. Move the wDatagramIndex term to the other side of the inequality. An existing condition ensures that wDatagramIndex actual_length.

Impact

Vector 3.x

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

Base Score: 7.10 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/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): None
Availability (A): High

Base Score 3.x

7.10

Severity 3.x

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::	6.5 (including)	6.6.78 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.7 (including)	6.12.14 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.13 (including)	6.13.3 (excluding)

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

CVE-2025-21743

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools