CVE-2021-26337
lowpriority · track · 22EPSS 0.002 · 15 %ileDEEUUSEPSS · scored 2026-10-27
Insufficient DRAM address validation in System Management Unit (SMU) may result in a DMA read from invalid DRAM address to SRAM resulting in SMU not servicing further requests.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 2.1–5.5
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (124)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2022-0073AMD Prozessoren: Mehrere SchwachstellenDeutsch2022-05-10csaf · cert_bundDE
Ein entfernter, anonymer, authentisierter oder lokaler Angreifer kann mehrere Schwachstellen in AMD Prozessoren ausnutzen, um seine Privilegien zu erhöhen, beliebigen Code auszuführen, einen Denial-of-Service-Zustand zu verursachen, vertrauliche Informationen offenzulegen, Sicherheitsmaßnahmen zu umgehen und Daten zu manipulieren.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (9)
External citations — patches, advisories, analysis.
- https://nvd.nist.gov/vuln/detail/CVE-2021-26337cnnvd
- https://support.hpe.com/connect/s/securitybulletinlibraryPatchcnnvd
- https://support.lenovo.com/us/en/product_security/LEN-75180cnnvd
- https://vigilance.fr/vulnerability/AMD-Processor-multiple-vulnerabilities-36882cnnvd
- https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1021cnnvd
- https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1027cnnvd
- https://www.cybersecurity-help.cz/vdb/SB2022052620cnnvd
- https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1027enisa_euvd
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