DSN-2020-004: Dell response to Grub2 vulnerabilities which may allow secure boot bypass

Summary: Dell is aware of a vulnerability in Grand Unified Bootloader (GRUB), named "There is a Hole in the Boot," that may allow for Secure Boot bypass.

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Security Article Type

Security KB

CVE Identifier

CVE-2020-10713, CVE-2020-14308, CVE-2020-14309, CVE-2020-14310, CVE-2020-14311, CVE-2020-15705, CVE-2020-15706, CVE-2020-15707

Issue Summary

There is a Grand Unified Bootloader (GRUB (External Link)) vulnerability, known as "BootHole (External Link)," that may allow for Secure Boot bypass.

Details

Dell is aware of a vulnerability in Grand Unified Bootloader (GRUB (External Link)), known as "BootHole (External Link)," that may allow for Secure Boot bypass.

The security of our products is critical to helping ensure our customers' data and systems are protected. See the following Dell Security Advisories for specific remediation details:

Dell Client Platforms

Dell Storage Products

Note: Any nonsecurity updates or configuration changes required to support updates released by Operating System providers are communicated through product-specific technical support articles.

Recommendations

Dell Technologies recommends that customers review their Operating System provider’s advisories for more information, including appropriate identification and mitigation measures. 

See the following technical support articles which provide additional information and context as it relates to Dell products:  

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Affected Products

Product Security Information
Article Properties
Article Number: 000177589
Article Type: Security KB
Last Modified: 17 Mar 2026
Version:  9
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