vulnerability

Huawei EulerOS: CVE-2020-27779: grub2 security update

Severity
7
CVSS
(AV:L/AC:M/Au:N/C:C/I:C/A:C)
Published
Mar 3, 2021
Added
Jun 2, 2021
Modified
Apr 1, 2026

Description

A flaw was found in grub2 in versions prior to 2.06. The cutmem command does not honor secure boot locking allowing an privileged attacker to remove address ranges from memory creating an opportunity to circumvent SecureBoot protections after proper triage about grub's memory layout. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Solutions

huawei-euleros-2_0_sp9-upgrade-grub2-commonhuawei-euleros-2_0_sp9-upgrade-grub2-efi-aa64huawei-euleros-2_0_sp9-upgrade-grub2-efi-aa64-moduleshuawei-euleros-2_0_sp9-upgrade-grub2-toolshuawei-euleros-2_0_sp9-upgrade-grub2-tools-extrahuawei-euleros-2_0_sp9-upgrade-grub2-tools-minimal
Title
Rapid7 Labs

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