VULNERABILITY INTELLIGENCE

CVE-2021-26382

CVSS score4.4 MEDIUM
EPSS probability0.19%
CISA KEVNot currently listed
Published2022-07-14
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Description

An attacker with root account privileges can load any legitimately signed firmware image into the Audio Co-Processor (ACP,) irrespective of the respective signing key being declared as usable for authenticating an ACP firmware image, potentially resulting in a denial of service.

Weakness classification

  • nvd@nist.gov: NVD-CWE-noinfo

Primary references