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Attacker Value
Unknown

CVE-2021-26388

Disclosure Date: May 10, 2022 (last updated October 07, 2023)
Improper validation of the BIOS directory may allow for searches to read beyond the directory table copy in RAM, exposing out of bounds memory contents, resulting in a potential denial of service.
Attacker Value
Unknown

CVE-2021-26351

Disclosure Date: May 10, 2022 (last updated October 07, 2023)
Insufficient DRAM address validation in System Management Unit (SMU) may result in a DMA (Direct Memory Access) read/write from/to invalid DRAM address that could result in denial of service.
Attacker Value
Unknown

CVE-2021-26336

Disclosure Date: November 09, 2021 (last updated October 07, 2023)
Insufficient bounds checking in System Management Unit (SMU) may cause invalid memory accesses/updates that could result in SMU hang and subsequent failure to service any further requests from other components.
Attacker Value
Unknown

CVE-2021-26337

Disclosure Date: November 09, 2021 (last updated October 07, 2023)
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.
Attacker Value
Unknown

CVE-2020-12965

Disclosure Date: August 10, 2021 (last updated October 07, 2023)
When combined with specific software sequences, AMD CPUs may transiently execute non-canonical loads and store using only the lower 48 address bits potentially resulting in data leakage.