CVEvulnerability
CVE-2021-46755
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2023-05-09
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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.
Affected configurations
• amd ryzen 5500 firmware comboam4 v2 pi 1.2.0.8
• amd ryzen 5500 firmware comboam4v2 pi 1.2.0.6
• amd ryzen 5600 firmware comboam4 v2 pi 1.2.0.8
• amd ryzen 5600 firmware comboam4v2 pi 1.2.0.6
• amd ryzen 5600g firmware comboam4 v2 pi 1.2.0.8
• amd ryzen 5600g firmware comboam4v2 pi 1.2.0.6
• amd ryzen 5600x firmware comboam4 v2 pi 1.2.0.8
• amd ryzen 5600x firmware comboam4v2 pi 1.2.0.6
• amd ryzen 5700g firmware comboam4 v2 pi 1.2.0.8
• amd ryzen 5700g firmware comboam4v2 pi 1.2.0.6
• amd ryzen 5700x firmware comboam4 v2 pi 1.2.0.8
• amd ryzen 5700x firmware comboam4v2 pi 1.2.0.6
• amd ryzen 5800x3d firmware comboam4 v2 pi 1.2.0.8
• amd ryzen 5800x3d firmware comboam4v2 pi 1.2.0.6
• amd ryzen 5800x firmware comboam4 v2 pi 1.2.0.8
• amd ryzen 5800x firmware comboam4v2 pi 1.2.0.6
• amd ryzen 5900x firmware comboam4 v2 pi 1.2.0.8
• amd ryzen 5900x firmware comboam4v2 pi 1.2.0.6
• amd ryzen 5950x firmware comboam4 v2 pi 1.2.0.8
• amd ryzen 5950x firmware comboam4v2 pi 1.2.0.6
• amd ryzen 3100 firmware comboam4 v2 pi 1.2.0.8
• amd ryzen 3100 firmware comboam4pi 1.0.0.9
• amd ryzen 3300x firmware comboam4 v2 pi 1.2.0.8
• amd ryzen 3300x firmware comboam4pi 1.0.0.9
• amd ryzen 3500 firmware comboam4 v2 pi 1.2.0.8
• amd ryzen 3500 firmware comboam4pi 1.0.0.9
• amd ryzen 3500x firmware comboam4 v2 pi 1.2.0.8
• amd ryzen 3500x firmware comboam4pi 1.0.0.9
• amd ryzen 3600 firmware comboam4 v2 pi 1.2.0.8
• amd ryzen 3600 firmware comboam4pi 1.0.0.9
• amd ryzen 3600x firmware comboam4 v2 pi 1.2.0.8
• amd ryzen 3600x firmware comboam4pi 1.0.0.9
• amd ryzen 3600xt firmware comboam4 v2 pi 1.2.0.8
• amd ryzen 3600xt firmware comboam4pi 1.0.0.9
• amd ryzen 3800x firmware comboam4 v2 pi 1.2.0.8
• amd ryzen 3800x firmware comboam4pi 1.0.0.9
• amd ryzen 3800xt firmware comboam4 v2 pi 1.2.0.8
• amd ryzen 3800xt firmware comboam4pi 1.0.0.9
• amd ryzen 3900 firmware comboam4 v2 pi 1.2.0.8
• amd ryzen 3900 firmware comboam4pi 1.0.0.9
• amd ryzen 3900x firmware comboam4 v2 pi 1.2.0.8
• amd ryzen 3900x firmware comboam4pi 1.0.0.9
• amd ryzen 3900xt firmware comboam4 v2 pi 1.2.0.8
• amd ryzen 3900xt firmware comboam4pi 1.0.0.9
• amd ryzen 3950x firmware comboam4 v2 pi 1.2.0.8
• amd ryzen 3950x firmware comboam4pi 1.0.0.9