Rapid7

vulnerability

SUSE: CVE-2020-27779: SUSE Linux Security Advisory

Severity
7
CVSS
(AV:L/AC:M/Au:N/C:C/I:C/A:C)
Published
Mar 2, 2021
Added
Mar 3, 2021
Modified
Oct 22, 2021

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

suse-upgrade-grub2suse-upgrade-grub2-arm64-efisuse-upgrade-grub2-branding-upstreamsuse-upgrade-grub2-i386-efisuse-upgrade-grub2-i386-efi-debugsuse-upgrade-grub2-i386-pcsuse-upgrade-grub2-i386-pc-debugsuse-upgrade-grub2-i386-xensuse-upgrade-grub2-powerpc-ieee1275suse-upgrade-grub2-s390x-emususe-upgrade-grub2-snapper-pluginsuse-upgrade-grub2-systemd-sleep-pluginsuse-upgrade-grub2-x86_64-efisuse-upgrade-grub2-x86_64-efi-debugsuse-upgrade-grub2-x86_64-xen
Title
Rapid7 Labs

2026 Global Threat Landscape Report

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