CVE-2021-46755

Published May 9, 2023 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
Failure to unmap certain SysHub mappings in
error paths of the ASP (AMD Secure Processor) bootloader may allow an attacker
with a malicious bootloader to exhaust the SysHub resources resulting in a
potential denial of service.




Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
EUVD EUVD EUVD-2021-33411 Failure to unmap certain SysHub mappings in error paths of the ASP (AMD Secure Processor) bootloader may allow an attacker with a malicious bootloader to exhaust the SysHub resources resulting in a potential denial of service.
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
AMD
Published
Updated
Jan 28, 2025, 3:39 PM
Reserved
Mar 31, 2022, 4:50 PM
Status
Modified
Published
May 9, 2023, 8:15 PM
Modified
Jun 17, 2026, 4:15 AM