CVE-2021-21556

CVE-2021-21556 affects Dell PowerEdge BIOS/UEFI on R640/R740/R740XD/R840/R940/R940xa/MX740c/MX840c/T640 with NVDIMM-N. A stack-based buffer overflow in the BIOS Preboot Environment could allow a local high-privilege attacker to cause denial of service, execute arbitrary code, or disclose informat...