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6.1 Medium

CVE-2021-21556 Dell PowerEdge R640, R740, R740XD, R840, R940, R940xa, MX740c, MX840c, and T640 Server BIOS contain a stack-based buffer…

Description

Dell PowerEdge R640, R740, R740XD, R840, R940, R940xa, MX740c, MX840c, and T640 Server BIOS contain a stack-based buffer overflow vulnerability in systems with NVDIMM-N installed. A local malicious user with high privileges may potentially exploit this vulnerability, leading to a denial of Service, arbitrary code execution, or information disclosure in UEFI or BIOS Preboot Environment.

Affected products and versions

Product Affected versions Fixed in
PowerEdge BIOS Intel 15G 2.11 earliest → < 2.11.2 2.11.2

Other CVEs of PowerEdge BIOS Intel 15G

The 4 CVEs of PowerEdge BIOS Intel 15G →
CVE-2021-21557 Dell PowerEdge Server BIOS and select Dell Precision Rack BIOS contain an out-of-bounds array access vulnerability 8.1 High CVE-2021-21555 Dell PowerEdge R640, R740, R740XD, R840, R940, R940xa, MX740c, MX840c, and T640 Server BIOS contain a heap-based… 6.1 Medium CVE-2021-21554 Dell PowerEdge R640, R740, R740XD, R840, R940, R940xa, MX740c, MX840c, and, Dell Precision 7920 Rack Workstation BIOS… 6.1 Medium
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