Security Advisory

CVE-2020-15705

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2020-07-29 17:45:33

Last updated 2024-09-17 00:06:01

Assigner canonical

State PUBLISHED

Description

GRUB2 fails to validate kernel signature when booted directly without shim, allowing secure boot to be bypassed. This only affects systems where the kernel signing certificate has been imported directly into the secure boot database and the GRUB image is booted directly without the use of shim. This issue affects GRUB2 version 2.04 and prior versions.

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