Failure to unmap certain SysHub mappings in error paths of the ASP (AMD Secure Processor)…
Priority MEDIUM 40Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00616 49th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| AMD | Ryzen™ 3000 Series Desktop Processors “Matisse” AM4 | various | — | No fix listed | CNA |
| AMD | AMD Ryzen™ 5000 Series Desktop Processors “Vermeer” AM4 | various | — | No fix listed | CNA |
| AMD | Ryzen™ 5000 Series Desktop processor with Radeon™ Graphics “Cezanne” AM4 | various | — | No fix listed | CNA |
| AMD | 3rd Gen AMD Ryzen™ Threadripper™ Processors “Castle Peak” HEDT | various | — | No fix listed | CNA |
| AMD | Ryzen™ Threadripper™ PRO Processors “Castle Peak” WS | various | — | No fix listed | CNA |
| AMD | Ryzen™ Threadripper™ PRO Processors “Chagall” WS | various | — | No fix listed | CNA |
| AMD | Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics “Renoir” | various | — | No fix listed | CNA |
| AMD | Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Lucienne” | various | — | No fix listed | CNA |
| AMD | Ryzen™ 5000 Series Mobile processors with Radeon™ Graphics “Cezanne” | various | — | No fix listed | CNA |
- Ryzen™ 3000 Series Desktop Processors “Matisse” AM4 VendorAMD Affected various Fixed in — No fix listed CNA
- AMD Ryzen™ 5000 Series Desktop Processors “Vermeer” AM4 VendorAMD Affected various Fixed in — No fix listed CNA
- Ryzen™ 5000 Series Desktop processor with Radeon™ Graphics “Cezanne” AM4 VendorAMD Affected various Fixed in — No fix listed CNA
- 3rd Gen AMD Ryzen™ Threadripper™ Processors “Castle Peak” HEDT VendorAMD Affected various Fixed in — No fix listed CNA
- Ryzen™ Threadripper™ PRO Processors “Castle Peak” WS VendorAMD Affected various Fixed in — No fix listed CNA
- Ryzen™ Threadripper™ PRO Processors “Chagall” WS VendorAMD Affected various Fixed in — No fix listed CNA
- Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics “Renoir” VendorAMD Affected various Fixed in — No fix listed CNA
- Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Lucienne” VendorAMD Affected various Fixed in — No fix listed CNA
- Ryzen™ 5000 Series Mobile processors with Radeon™ Graphics “Cezanne” VendorAMD Affected various Fixed in — No fix listed CNA
CPE configurations NVD · 69
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:amd:ryzen_5500_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:* | comboam4_v2_pi_1.2.0.8 | Vulnerable | AMD |
| cpe:2.3:h:amd:ryzen_5500:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AMD |
| cpe:2.3:o:amd:ryzen_5500_firmware:comboam4v2_pi_1.2.0.6:*:*:*:*:*:*:* | comboam4v2_pi_1.2.0.6 | Vulnerable | AMD |
| cpe:2.3:o:amd:ryzen_5600_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:* | comboam4_v2_pi_1.2.0.8 | Vulnerable | AMD |
| cpe:2.3:h:amd:ryzen_5600:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AMD |
| cpe:2.3:o:amd:ryzen_5600_firmware:comboam4v2_pi_1.2.0.6:*:*:*:*:*:*:* | comboam4v2_pi_1.2.0.6 | Vulnerable | AMD |
| cpe:2.3:o:amd:ryzen_5600g_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:* | comboam4_v2_pi_1.2.0.8 | Vulnerable | AMD |
| cpe:2.3:h:amd:ryzen_5600g:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AMD |
| cpe:2.3:o:amd:ryzen_5600g_firmware:comboam4v2_pi_1.2.0.6:*:*:*:*:*:*:* | comboam4v2_pi_1.2.0.6 | Vulnerable | AMD |
| cpe:2.3:o:amd:ryzen_5600x_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:* | comboam4_v2_pi_1.2.0.8 | Vulnerable | AMD |
- cpe:2.3:o:amd:ryzen_5500_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:* Versions comboam4_v2_pi_1.2.0.8 Vulnerable ·AMD
- cpe:2.3:h:amd:ryzen_5500:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
- cpe:2.3:o:amd:ryzen_5500_firmware:comboam4v2_pi_1.2.0.6:*:*:*:*:*:*:* Versions comboam4v2_pi_1.2.0.6 Vulnerable ·AMD
- cpe:2.3:o:amd:ryzen_5600_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:* Versions comboam4_v2_pi_1.2.0.8 Vulnerable ·AMD
- cpe:2.3:h:amd:ryzen_5600:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
- cpe:2.3:o:amd:ryzen_5600_firmware:comboam4v2_pi_1.2.0.6:*:*:*:*:*:*:* Versions comboam4v2_pi_1.2.0.6 Vulnerable ·AMD
- cpe:2.3:o:amd:ryzen_5600g_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:* Versions comboam4_v2_pi_1.2.0.8 Vulnerable ·AMD
- cpe:2.3:h:amd:ryzen_5600g:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
- cpe:2.3:o:amd:ryzen_5600g_firmware:comboam4v2_pi_1.2.0.6:*:*:*:*:*:*:* Versions comboam4v2_pi_1.2.0.6 Vulnerable ·AMD
- cpe:2.3:o:amd:ryzen_5600x_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:* Versions comboam4_v2_pi_1.2.0.8 Vulnerable ·AMD
Show 59 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:h:amd:ryzen_5600x:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AMD |
| cpe:2.3:o:amd:ryzen_5600x_firmware:comboam4v2_pi_1.2.0.6:*:*:*:*:*:*:* | comboam4v2_pi_1.2.0.6 | Vulnerable | AMD |
| cpe:2.3:o:amd:ryzen_5700g_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:* | comboam4_v2_pi_1.2.0.8 | Vulnerable | AMD |
| cpe:2.3:h:amd:ryzen_5700g:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AMD |
| cpe:2.3:o:amd:ryzen_5700g_firmware:comboam4v2_pi_1.2.0.6:*:*:*:*:*:*:* | comboam4v2_pi_1.2.0.6 | Vulnerable | AMD |
| cpe:2.3:o:amd:ryzen_5700x_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:* | comboam4_v2_pi_1.2.0.8 | Vulnerable | AMD |
| cpe:2.3:h:amd:ryzen_5700x:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AMD |
| cpe:2.3:o:amd:ryzen_5700x_firmware:comboam4v2_pi_1.2.0.6:*:*:*:*:*:*:* | comboam4v2_pi_1.2.0.6 | Vulnerable | AMD |
| cpe:2.3:o:amd:ryzen_5800x3d_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:* | comboam4_v2_pi_1.2.0.8 | Vulnerable | AMD |
| cpe:2.3:h:amd:ryzen_5800x3d:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AMD |
| cpe:2.3:o:amd:ryzen_5800x3d_firmware:comboam4v2_pi_1.2.0.6:*:*:*:*:*:*:* | comboam4v2_pi_1.2.0.6 | Vulnerable | AMD |
| cpe:2.3:o:amd:ryzen_5800x_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:* | comboam4_v2_pi_1.2.0.8 | Vulnerable | AMD |
| cpe:2.3:h:amd:ryzen_5800x:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AMD |
| cpe:2.3:o:amd:ryzen_5800x_firmware:comboam4v2_pi_1.2.0.6:*:*:*:*:*:*:* | comboam4v2_pi_1.2.0.6 | Vulnerable | AMD |
| cpe:2.3:o:amd:ryzen_5900x_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:* | comboam4_v2_pi_1.2.0.8 | Vulnerable | AMD |
| cpe:2.3:h:amd:ryzen_5900x:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AMD |
| cpe:2.3:o:amd:ryzen_5900x_firmware:comboam4v2_pi_1.2.0.6:*:*:*:*:*:*:* | comboam4v2_pi_1.2.0.6 | Vulnerable | AMD |
| cpe:2.3:o:amd:ryzen_5950x_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:* | comboam4_v2_pi_1.2.0.8 | Vulnerable | AMD |
| cpe:2.3:h:amd:ryzen_5950x:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AMD |
| cpe:2.3:o:amd:ryzen_5950x_firmware:comboam4v2_pi_1.2.0.6:*:*:*:*:*:*:* | comboam4v2_pi_1.2.0.6 | Vulnerable | AMD |
| cpe:2.3:o:amd:ryzen_3100_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:* | comboam4_v2_pi_1.2.0.8 | Vulnerable | AMD |
| cpe:2.3:h:amd:ryzen_3100:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AMD |
| cpe:2.3:o:amd:ryzen_3100_firmware:comboam4pi_1.0.0.9:*:*:*:*:*:*:* | comboam4pi_1.0.0.9 | Vulnerable | AMD |
| cpe:2.3:o:amd:ryzen_3300x_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:* | comboam4_v2_pi_1.2.0.8 | Vulnerable | AMD |
| cpe:2.3:h:amd:ryzen_3300x:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AMD |
| cpe:2.3:o:amd:ryzen_3300x_firmware:comboam4pi_1.0.0.9:*:*:*:*:*:*:* | comboam4pi_1.0.0.9 | Vulnerable | AMD |
| cpe:2.3:o:amd:ryzen_3500_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:* | comboam4_v2_pi_1.2.0.8 | Vulnerable | AMD |
| cpe:2.3:h:amd:ryzen_3500:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AMD |
| cpe:2.3:o:amd:ryzen_3500_firmware:comboam4pi_1.0.0.9:*:*:*:*:*:*:* | comboam4pi_1.0.0.9 | Vulnerable | AMD |
| cpe:2.3:o:amd:ryzen_3500x_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:* | comboam4_v2_pi_1.2.0.8 | Vulnerable | AMD |
| cpe:2.3:h:amd:ryzen_3500x:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AMD |
| cpe:2.3:o:amd:ryzen_3500x_firmware:comboam4pi_1.0.0.9:*:*:*:*:*:*:* | comboam4pi_1.0.0.9 | Vulnerable | AMD |
| cpe:2.3:o:amd:ryzen_3600_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:* | comboam4_v2_pi_1.2.0.8 | Vulnerable | AMD |
| cpe:2.3:h:amd:ryzen_3600:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AMD |
| cpe:2.3:o:amd:ryzen_3600_firmware:comboam4pi_1.0.0.9:*:*:*:*:*:*:* | comboam4pi_1.0.0.9 | Vulnerable | AMD |
| cpe:2.3:o:amd:ryzen_3600x_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:* | comboam4_v2_pi_1.2.0.8 | Vulnerable | AMD |
| cpe:2.3:h:amd:ryzen_3600x:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AMD |
| cpe:2.3:o:amd:ryzen_3600x_firmware:comboam4pi_1.0.0.9:*:*:*:*:*:*:* | comboam4pi_1.0.0.9 | Vulnerable | AMD |
| cpe:2.3:o:amd:ryzen_3600xt_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:* | comboam4_v2_pi_1.2.0.8 | Vulnerable | AMD |
| cpe:2.3:h:amd:ryzen_3600xt:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AMD |
| cpe:2.3:o:amd:ryzen_3600xt_firmware:comboam4pi_1.0.0.9:*:*:*:*:*:*:* | comboam4pi_1.0.0.9 | Vulnerable | AMD |
| cpe:2.3:o:amd:ryzen_3800x_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:* | comboam4_v2_pi_1.2.0.8 | Vulnerable | AMD |
| cpe:2.3:h:amd:ryzen_3800x:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AMD |
| cpe:2.3:o:amd:ryzen_3800x_firmware:comboam4pi_1.0.0.9:*:*:*:*:*:*:* | comboam4pi_1.0.0.9 | Vulnerable | AMD |
| cpe:2.3:o:amd:ryzen_3800xt_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:* | comboam4_v2_pi_1.2.0.8 | Vulnerable | AMD |
| cpe:2.3:h:amd:ryzen_3800xt:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AMD |
| cpe:2.3:o:amd:ryzen_3800xt_firmware:comboam4pi_1.0.0.9:*:*:*:*:*:*:* | comboam4pi_1.0.0.9 | Vulnerable | AMD |
| cpe:2.3:o:amd:ryzen_3900_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:* | comboam4_v2_pi_1.2.0.8 | Vulnerable | AMD |
| cpe:2.3:h:amd:ryzen_3900:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AMD |
| cpe:2.3:o:amd:ryzen_3900_firmware:comboam4pi_1.0.0.9:*:*:*:*:*:*:* | comboam4pi_1.0.0.9 | Vulnerable | AMD |
| cpe:2.3:o:amd:ryzen_3900x_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:* | comboam4_v2_pi_1.2.0.8 | Vulnerable | AMD |
| cpe:2.3:h:amd:ryzen_3900x:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AMD |
| cpe:2.3:o:amd:ryzen_3900x_firmware:comboam4pi_1.0.0.9:*:*:*:*:*:*:* | comboam4pi_1.0.0.9 | Vulnerable | AMD |
| cpe:2.3:o:amd:ryzen_3900xt_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:* | comboam4_v2_pi_1.2.0.8 | Vulnerable | AMD |
| cpe:2.3:h:amd:ryzen_3900xt:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AMD |
| cpe:2.3:o:amd:ryzen_3900xt_firmware:comboam4pi_1.0.0.9:*:*:*:*:*:*:* | comboam4pi_1.0.0.9 | Vulnerable | AMD |
| cpe:2.3:o:amd:ryzen_3950x_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:* | comboam4_v2_pi_1.2.0.8 | Vulnerable | AMD |
| cpe:2.3:h:amd:ryzen_3950x:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AMD |
| cpe:2.3:o:amd:ryzen_3950x_firmware:comboam4pi_1.0.0.9:*:*:*:*:*:*:* | comboam4pi_1.0.0.9 | Vulnerable | AMD |
- cpe:2.3:h:amd:ryzen_5600x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
- cpe:2.3:o:amd:ryzen_5600x_firmware:comboam4v2_pi_1.2.0.6:*:*:*:*:*:*:* Versions comboam4v2_pi_1.2.0.6 Vulnerable ·AMD
- cpe:2.3:o:amd:ryzen_5700g_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:* Versions comboam4_v2_pi_1.2.0.8 Vulnerable ·AMD
- cpe:2.3:h:amd:ryzen_5700g:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
- cpe:2.3:o:amd:ryzen_5700g_firmware:comboam4v2_pi_1.2.0.6:*:*:*:*:*:*:* Versions comboam4v2_pi_1.2.0.6 Vulnerable ·AMD
- cpe:2.3:o:amd:ryzen_5700x_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:* Versions comboam4_v2_pi_1.2.0.8 Vulnerable ·AMD
- cpe:2.3:h:amd:ryzen_5700x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
- cpe:2.3:o:amd:ryzen_5700x_firmware:comboam4v2_pi_1.2.0.6:*:*:*:*:*:*:* Versions comboam4v2_pi_1.2.0.6 Vulnerable ·AMD
- cpe:2.3:o:amd:ryzen_5800x3d_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:* Versions comboam4_v2_pi_1.2.0.8 Vulnerable ·AMD
- cpe:2.3:h:amd:ryzen_5800x3d:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
- cpe:2.3:o:amd:ryzen_5800x3d_firmware:comboam4v2_pi_1.2.0.6:*:*:*:*:*:*:* Versions comboam4v2_pi_1.2.0.6 Vulnerable ·AMD
- cpe:2.3:o:amd:ryzen_5800x_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:* Versions comboam4_v2_pi_1.2.0.8 Vulnerable ·AMD
- cpe:2.3:h:amd:ryzen_5800x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
- cpe:2.3:o:amd:ryzen_5800x_firmware:comboam4v2_pi_1.2.0.6:*:*:*:*:*:*:* Versions comboam4v2_pi_1.2.0.6 Vulnerable ·AMD
- cpe:2.3:o:amd:ryzen_5900x_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:* Versions comboam4_v2_pi_1.2.0.8 Vulnerable ·AMD
- cpe:2.3:h:amd:ryzen_5900x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
- cpe:2.3:o:amd:ryzen_5900x_firmware:comboam4v2_pi_1.2.0.6:*:*:*:*:*:*:* Versions comboam4v2_pi_1.2.0.6 Vulnerable ·AMD
- cpe:2.3:o:amd:ryzen_5950x_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:* Versions comboam4_v2_pi_1.2.0.8 Vulnerable ·AMD
- cpe:2.3:h:amd:ryzen_5950x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
- cpe:2.3:o:amd:ryzen_5950x_firmware:comboam4v2_pi_1.2.0.6:*:*:*:*:*:*:* Versions comboam4v2_pi_1.2.0.6 Vulnerable ·AMD
- cpe:2.3:o:amd:ryzen_3100_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:* Versions comboam4_v2_pi_1.2.0.8 Vulnerable ·AMD
- cpe:2.3:h:amd:ryzen_3100:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
- cpe:2.3:o:amd:ryzen_3100_firmware:comboam4pi_1.0.0.9:*:*:*:*:*:*:* Versions comboam4pi_1.0.0.9 Vulnerable ·AMD
- cpe:2.3:o:amd:ryzen_3300x_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:* Versions comboam4_v2_pi_1.2.0.8 Vulnerable ·AMD
- cpe:2.3:h:amd:ryzen_3300x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
- cpe:2.3:o:amd:ryzen_3300x_firmware:comboam4pi_1.0.0.9:*:*:*:*:*:*:* Versions comboam4pi_1.0.0.9 Vulnerable ·AMD
- cpe:2.3:o:amd:ryzen_3500_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:* Versions comboam4_v2_pi_1.2.0.8 Vulnerable ·AMD
- cpe:2.3:h:amd:ryzen_3500:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
- cpe:2.3:o:amd:ryzen_3500_firmware:comboam4pi_1.0.0.9:*:*:*:*:*:*:* Versions comboam4pi_1.0.0.9 Vulnerable ·AMD
- cpe:2.3:o:amd:ryzen_3500x_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:* Versions comboam4_v2_pi_1.2.0.8 Vulnerable ·AMD
- cpe:2.3:h:amd:ryzen_3500x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
- cpe:2.3:o:amd:ryzen_3500x_firmware:comboam4pi_1.0.0.9:*:*:*:*:*:*:* Versions comboam4pi_1.0.0.9 Vulnerable ·AMD
- cpe:2.3:o:amd:ryzen_3600_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:* Versions comboam4_v2_pi_1.2.0.8 Vulnerable ·AMD
- cpe:2.3:h:amd:ryzen_3600:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
- cpe:2.3:o:amd:ryzen_3600_firmware:comboam4pi_1.0.0.9:*:*:*:*:*:*:* Versions comboam4pi_1.0.0.9 Vulnerable ·AMD
- cpe:2.3:o:amd:ryzen_3600x_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:* Versions comboam4_v2_pi_1.2.0.8 Vulnerable ·AMD
- cpe:2.3:h:amd:ryzen_3600x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
- cpe:2.3:o:amd:ryzen_3600x_firmware:comboam4pi_1.0.0.9:*:*:*:*:*:*:* Versions comboam4pi_1.0.0.9 Vulnerable ·AMD
- cpe:2.3:o:amd:ryzen_3600xt_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:* Versions comboam4_v2_pi_1.2.0.8 Vulnerable ·AMD
- cpe:2.3:h:amd:ryzen_3600xt:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
- cpe:2.3:o:amd:ryzen_3600xt_firmware:comboam4pi_1.0.0.9:*:*:*:*:*:*:* Versions comboam4pi_1.0.0.9 Vulnerable ·AMD
- cpe:2.3:o:amd:ryzen_3800x_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:* Versions comboam4_v2_pi_1.2.0.8 Vulnerable ·AMD
- cpe:2.3:h:amd:ryzen_3800x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
- cpe:2.3:o:amd:ryzen_3800x_firmware:comboam4pi_1.0.0.9:*:*:*:*:*:*:* Versions comboam4pi_1.0.0.9 Vulnerable ·AMD
- cpe:2.3:o:amd:ryzen_3800xt_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:* Versions comboam4_v2_pi_1.2.0.8 Vulnerable ·AMD
- cpe:2.3:h:amd:ryzen_3800xt:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
- cpe:2.3:o:amd:ryzen_3800xt_firmware:comboam4pi_1.0.0.9:*:*:*:*:*:*:* Versions comboam4pi_1.0.0.9 Vulnerable ·AMD
- cpe:2.3:o:amd:ryzen_3900_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:* Versions comboam4_v2_pi_1.2.0.8 Vulnerable ·AMD
- cpe:2.3:h:amd:ryzen_3900:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
- cpe:2.3:o:amd:ryzen_3900_firmware:comboam4pi_1.0.0.9:*:*:*:*:*:*:* Versions comboam4pi_1.0.0.9 Vulnerable ·AMD
- cpe:2.3:o:amd:ryzen_3900x_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:* Versions comboam4_v2_pi_1.2.0.8 Vulnerable ·AMD
- cpe:2.3:h:amd:ryzen_3900x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
- cpe:2.3:o:amd:ryzen_3900x_firmware:comboam4pi_1.0.0.9:*:*:*:*:*:*:* Versions comboam4pi_1.0.0.9 Vulnerable ·AMD
- cpe:2.3:o:amd:ryzen_3900xt_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:* Versions comboam4_v2_pi_1.2.0.8 Vulnerable ·AMD
- cpe:2.3:h:amd:ryzen_3900xt:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
- cpe:2.3:o:amd:ryzen_3900xt_firmware:comboam4pi_1.0.0.9:*:*:*:*:*:*:* Versions comboam4pi_1.0.0.9 Vulnerable ·AMD
- cpe:2.3:o:amd:ryzen_3950x_firmware:comboam4_v2_pi_1.2.0.8:*:*:*:*:*:*:* Versions comboam4_v2_pi_1.2.0.8 Vulnerable ·AMD
- cpe:2.3:h:amd:ryzen_3950x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
- cpe:2.3:o:amd:ryzen_3950x_firmware:comboam4pi_1.0.0.9:*:*:*:*:*:*:* Versions comboam4pi_1.0.0.9 Vulnerable ·AMD
Remediation
No fixed version listed by the sources yet.
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
AMD 3rd Gen AMD Ryzen™ Threadripper™ Processors “Castle Peak” HEDT, AMD Ryzen™ 5000 Series Desktop Processors “Vermeer” AM4 and 7 more products — amd.com/en/corporate/product-security/bulletin/AMD-SB-4001
16 records Highest priority Priority MEDIUM 10 MEDIUM, 6 LOW
Other records, highest priority first
- TI-2021-21477 Resource allocation without limits in AMD 3rd Gen AMD Ryzen™ Threadripper™ Processors…Priority MEDIUM 50
- TI-2021-21470 Failure to validate the length fields of the ASP (AMD Secure Processor) sensor fusion hub…Priority MEDIUM 48
- TI-2021-21473 Improper input validation in AMD Ryzen™ 2000 series Desktop Processors “Raven Ridge” AM4Priority MEDIUM 46
Timeline
- 2026-10-02 Threatist record created from CVE-2021-46755
- 2026-10-03 Alias added: GHSA-xpf2-4v7h-fpcm
References
More AMD Ryzen 3100 Firmware vulnerabilities
- TI-2021-21470 Failure to validate the length fields of the ASP (AMD Secure Processor) sensor fusion hub… CVSS 3.1CRITICAL 9.1
- TI-2021-21488 Improper input validation in AMD Ryzen™ 2000 series Desktop Processors “Raven Ridge” AM4 CVSS 3.1HIGH 8.8
- TI-2021-21505 Out-of-bounds read in AMD Ryzen™ 2000 series Desktop Processors “Raven Ridge” AM4 CVSS 3.1HIGH 7.5
- TI-2021-21481 Out-of-bounds read in AMD Ryzen™ 5000 Series Desktop processor with Radeon™ Graphics… CVSS 3.1HIGH 7.5
- TI-2021-21471 Improper input validation in AMD Ryzen™ 2000 series Desktop Processors “Raven Ridge” AM4 CVSS 3.1CRITICAL 9.1
- TI-2021-21468 Out-of-bounds read in AMD Ryzen™ 2000 Series Desktop Processors “Pinnacle Ridge” CVSS 3.1HIGH 7.5
Sources
- CVE-2021-46755 · CVE Program
- CVE-2021-46755 · NVD
- FIRST EPSS
- GHSA-xpf2-4v7h-fpcm · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences