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Echo: linux: security update to 6.12.20-1

high Tenable Self-Hosted Container Security Plugin ID 461401

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix out-of-bound
 accesses [WHAT & HOW] hpo_stream_to_link_encoder_mapping has size MAX_HPO_DP2_ENCODERS(=4), but location
 can have size up to 6. As a result, it is necessary to check location against MAX_HPO_DP2_ENCODERS.
 Similiarly, disp_cfg_stream_location can be used as an array index which should be 0..5, so the ASSERT's
 conditions should be less without equal. (CVE-2025-21985)

Solution

Update the linux library and its related packages to version 6.12.20-1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2025-21985

Plugin Details

Severity: High

ID: 461401

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Medium

Score: 4.3

Percentile: 53.18

CVSS v2

Risk Factor: Medium

Base Score: 6.2

Temporal Score: 4.6

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:N/A:C

CVSS Score Source: CVE-2025-21985

CVSS v3

Risk Factor: High

Base Score: 7.1

Temporal Score: 6.2

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 9/15/2025

Vulnerability Publication Date: 4/1/2025

Reference Information

CVE: CVE-2025-21985