Vulnerability Details CVE-2021-46755
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 37.6%
CVSS Severity
CVSS v3 Score 7.5
References
Products affected by CVE-2021-46755
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cpe:2.3:h:amd:ryzen_3100:-
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cpe:2.3:h:amd:ryzen_3300x:-
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cpe:2.3:h:amd:ryzen_3500:-
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cpe:2.3:h:amd:ryzen_3500x:-
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cpe:2.3:h:amd:ryzen_3600:-
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cpe:2.3:h:amd:ryzen_3600x:-
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cpe:2.3:h:amd:ryzen_3600xt:-
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cpe:2.3:h:amd:ryzen_3800x:-
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cpe:2.3:h:amd:ryzen_3800xt:-
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cpe:2.3:h:amd:ryzen_3900:-
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cpe:2.3:h:amd:ryzen_3900x:-
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cpe:2.3:h:amd:ryzen_3900xt:-
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cpe:2.3:h:amd:ryzen_3950x:-
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cpe:2.3:h:amd:ryzen_5500:-
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cpe:2.3:h:amd:ryzen_5600:-
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cpe:2.3:h:amd:ryzen_5600g:-
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cpe:2.3:h:amd:ryzen_5600x:-
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cpe:2.3:h:amd:ryzen_5700g:-
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cpe:2.3:h:amd:ryzen_5700x:-
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cpe:2.3:h:amd:ryzen_5800x3d:-
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cpe:2.3:h:amd:ryzen_5800x:-
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cpe:2.3:h:amd:ryzen_5900x:-
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cpe:2.3:h:amd:ryzen_5950x:-
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cpe:2.3:o:amd:ryzen_3100_firmware:comboam4_v2_pi_1.2.0.8
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cpe:2.3:o:amd:ryzen_3100_firmware:comboam4pi_1.0.0.9
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cpe:2.3:o:amd:ryzen_3300x_firmware:comboam4_v2_pi_1.2.0.8
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cpe:2.3:o:amd:ryzen_3300x_firmware:comboam4pi_1.0.0.9
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cpe:2.3:o:amd:ryzen_3500_firmware:comboam4_v2_pi_1.2.0.8
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cpe:2.3:o:amd:ryzen_3500_firmware:comboam4pi_1.0.0.9
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cpe:2.3:o:amd:ryzen_3500x_firmware:comboam4_v2_pi_1.2.0.8
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cpe:2.3:o:amd:ryzen_3500x_firmware:comboam4pi_1.0.0.9
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cpe:2.3:o:amd:ryzen_3600_firmware:comboam4_v2_pi_1.2.0.8
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cpe:2.3:o:amd:ryzen_3600_firmware:comboam4pi_1.0.0.9
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cpe:2.3:o:amd:ryzen_3600x_firmware:comboam4_v2_pi_1.2.0.8
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cpe:2.3:o:amd:ryzen_3600x_firmware:comboam4pi_1.0.0.9
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cpe:2.3:o:amd:ryzen_3600xt_firmware:comboam4_v2_pi_1.2.0.8
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cpe:2.3:o:amd:ryzen_3600xt_firmware:comboam4pi_1.0.0.9
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cpe:2.3:o:amd:ryzen_3800x_firmware:comboam4_v2_pi_1.2.0.8
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cpe:2.3:o:amd:ryzen_3800x_firmware:comboam4pi_1.0.0.9
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cpe:2.3:o:amd:ryzen_3800xt_firmware:comboam4_v2_pi_1.2.0.8
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cpe:2.3:o:amd:ryzen_3800xt_firmware:comboam4pi_1.0.0.9
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cpe:2.3:o:amd:ryzen_3900_firmware:comboam4_v2_pi_1.2.0.8
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cpe:2.3:o:amd:ryzen_3900_firmware:comboam4pi_1.0.0.9
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cpe:2.3:o:amd:ryzen_3900x_firmware:comboam4_v2_pi_1.2.0.8
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cpe:2.3:o:amd:ryzen_3900x_firmware:comboam4pi_1.0.0.9
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cpe:2.3:o:amd:ryzen_3900xt_firmware:comboam4_v2_pi_1.2.0.8
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cpe:2.3:o:amd:ryzen_3900xt_firmware:comboam4pi_1.0.0.9
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cpe:2.3:o:amd:ryzen_3950x_firmware:comboam4_v2_pi_1.2.0.8
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cpe:2.3:o:amd:ryzen_3950x_firmware:comboam4pi_1.0.0.9
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cpe:2.3:o:amd:ryzen_5500_firmware:comboam4_v2_pi_1.2.0.8
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cpe:2.3:o:amd:ryzen_5500_firmware:comboam4v2_pi_1.2.0.6
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cpe:2.3:o:amd:ryzen_5600_firmware:comboam4_v2_pi_1.2.0.8
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cpe:2.3:o:amd:ryzen_5600_firmware:comboam4v2_pi_1.2.0.6
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cpe:2.3:o:amd:ryzen_5600g_firmware:comboam4_v2_pi_1.2.0.8
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cpe:2.3:o:amd:ryzen_5600g_firmware:comboam4v2_pi_1.2.0.6
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cpe:2.3:o:amd:ryzen_5600x_firmware:comboam4_v2_pi_1.2.0.8
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cpe:2.3:o:amd:ryzen_5600x_firmware:comboam4v2_pi_1.2.0.6
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cpe:2.3:o:amd:ryzen_5700g_firmware:comboam4_v2_pi_1.2.0.8
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cpe:2.3:o:amd:ryzen_5700g_firmware:comboam4v2_pi_1.2.0.6
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cpe:2.3:o:amd:ryzen_5700x_firmware:comboam4_v2_pi_1.2.0.8
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cpe:2.3:o:amd:ryzen_5700x_firmware:comboam4v2_pi_1.2.0.6
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cpe:2.3:o:amd:ryzen_5800x3d_firmware:comboam4_v2_pi_1.2.0.8
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cpe:2.3:o:amd:ryzen_5800x3d_firmware:comboam4v2_pi_1.2.0.6
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cpe:2.3:o:amd:ryzen_5800x_firmware:comboam4_v2_pi_1.2.0.8
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cpe:2.3:o:amd:ryzen_5800x_firmware:comboam4v2_pi_1.2.0.6
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cpe:2.3:o:amd:ryzen_5900x_firmware:comboam4_v2_pi_1.2.0.8
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cpe:2.3:o:amd:ryzen_5900x_firmware:comboam4v2_pi_1.2.0.6
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cpe:2.3:o:amd:ryzen_5950x_firmware:comboam4_v2_pi_1.2.0.8
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cpe:2.3:o:amd:ryzen_5950x_firmware:comboam4v2_pi_1.2.0.6