Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2025-21985

Severity CVSS v4.0:
Pending analysis
Type:
CWE-125 Out-of-bounds Read
Publication date:
01/04/2025
Last modified:
30/10/2025

Description

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> drm/amd/display: Fix out-of-bound accesses<br /> <br /> [WHAT &amp; HOW]<br /> hpo_stream_to_link_encoder_mapping has size MAX_HPO_DP2_ENCODERS(=4),<br /> but location can have size up to 6. As a result, it is necessary to<br /> check location against MAX_HPO_DP2_ENCODERS.<br /> <br /> Similiarly, disp_cfg_stream_location can be used as an array index which<br /> should be 0..5, so the ASSERT&amp;#39;s conditions should be less without equal.

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:*:*:*:*:*:*:*:* 4.15 (including) 6.12.20 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 6.13 (including) 6.13.8 (excluding)
cpe:2.3:o:linux:linux_kernel:6.14:rc1:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools