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Severity by source

NVD PRIMARY
5.5 MEDIUM
AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

1
CVE Published
Nov 16, 2021 - 19:15 nvd
MEDIUM 5.5

DescriptionNVD

AMD System Management Unit (SMU) may experience a heap-based overflow which may result in a loss of resources.

AnalysisAI

AMD System Management Unit (SMU) may experience a heap-based overflow which may result in a loss of resources. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-122. AMD System Management Unit (SMU) may experience a heap-based overflow which may result in a loss of resources. Affected products include: Amd Epyc 7003 Firmware, Amd Epyc 7002 Firmware, Amd Epyc 7001 Firmware, Amd Epyc 72F3 Firmware, Amd Epyc 7313 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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CVE-2023-20527 MEDIUM
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CVE-2023-20525 MEDIUM
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Insufficient syscall input validation in the ASP Bootloader may allow a privileged attacker to read memory outside the b

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CVE-2022-23824 MEDIUM
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Insufficient DRAM address validation in System Management Unit (SMU) may result in a DMA read from invalid DRAM address

CVE-2021-26336 MEDIUM
5.5 Nov 16

Insufficient bounds checking in System Management Unit (SMU) may cause invalid memory accesses/updates that could result

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CVE-2021-26330 vulnerability details – vuln.today

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