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CVE-2020-5953

CVE-kwetsbaarheidsdetails - eXtreme Datacenter Security Operations

Gepubliceerd 2022-02-03 01:00:57

Laatst bijgewerkt 2026-08-11 12:22:02

Toegewezen door mitre

CVSS-score geen score

Status PUBLISHED

Beschrijving

A vulnerability exists in System Management Interrupt (SWSMI) handler of InsydeH2O UEFI Firmware code located in SWSMI handler that dereferences gRT (EFI_RUNTIME_SERVICES) pointer to call a GetVariable service, which is located outside of SMRAM. This can result in code execution in SMM (escalating privilege from ring 0 to ring -2).

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