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grub2: acpi command allows privileged user to load crafted ACPI tables when Secure Boot is enabled

🗓️ 02 Mar 2021 19:28:47Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 3 Views

GRUB2 ACPI command flaw lets privileged load crafted SSDT and unsigned code despite Secure Boot.

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Packages
Refs
ReporterTitlePublishedViews
Family
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Amazon Linux 2 : grub2 (ALAS-2021-1684)
16 Jul 202100:00
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Alibaba Cloud Linux 3 : 0026: grub2 (ALINUX3-SA-2021:0026)
14 May 202500:00
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Alibaba Cloud Linux 3 : 0048: fwupd (ALINUX3-SA-2021:0048)
14 May 202500:00
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AlmaLinux 8 : grub2 (ALSA-2021:0696)
9 Feb 202200:00
nessus
nessus
AlmaLinux 8 : shim (ALSA-2021:1734)
9 Feb 202200:00
nessus
nessus
AlmaLinux 8 : fwupd (ALSA-2021:2566)
9 Feb 202200:00
nessus
nessus
CentOS 8 : grub2 (CESA-2021:0696)
3 Mar 202100:00
nessus
nessus
CentOS 8 : fwupd (CESA-2021:2566)
3 Jul 202100:00
nessus
nessus
CentOS 9 : shim-unsigned-x64-15.6-1.el9
29 Feb 202400:00
nessus
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CentOS 7 : grub2 (RHSA-2021:0699)
9 Oct 202400:00
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.2noarchgrub2-common1:2.02-87.el8_2.3grub2-common-1:2.02-87.el8_2.3.noarch.rpm
Red Hat Enterprise Linux8.2aarch64grub2-debuginfo1:2.02-87.el8_2.3grub2-debuginfo-1:2.02-87.el8_2.3.aarch64.rpm
Red Hat Enterprise Linux8.2ppc64legrub2-debuginfo1:2.02-87.el8_2.3grub2-debuginfo-1:2.02-87.el8_2.3.ppc64le.rpm
Red Hat Enterprise Linux8.2x86_64grub2-debuginfo1:2.02-87.el8_2.3grub2-debuginfo-1:2.02-87.el8_2.3.x86_64.rpm
Red Hat Enterprise Linux8.2aarch64grub2-debugsource1:2.02-87.el8_2.3grub2-debugsource-1:2.02-87.el8_2.3.aarch64.rpm
Red Hat Enterprise Linux8.2ppc64legrub2-debugsource1:2.02-87.el8_2.3grub2-debugsource-1:2.02-87.el8_2.3.ppc64le.rpm
Red Hat Enterprise Linux8.2x86_64grub2-debugsource1:2.02-87.el8_2.3grub2-debugsource-1:2.02-87.el8_2.3.x86_64.rpm
Red Hat Enterprise Linux8.2aarch64grub2-efi-aa641:2.02-87.el8_2.3grub2-efi-aa64-1:2.02-87.el8_2.3.aarch64.rpm
Red Hat Enterprise Linux8.2aarch64grub2-efi-aa64-cdboot1:2.02-87.el8_2.3grub2-efi-aa64-cdboot-1:2.02-87.el8_2.3.aarch64.rpm
Red Hat Enterprise Linux8.2noarchgrub2-efi-aa64-modules1:2.02-87.el8_2.3grub2-efi-aa64-modules-1:2.02-87.el8_2.3.noarch.rpm
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26 Jun 2026 22:26Current
5.8Medium risk
Vulners AI Score5.8
CVSS 26.2
CVSS 3.17.5
EPSS0.01738
3