Linux · Security advisory · March 2, 2021

ELSA-2021-9077: Security update for 16 packages

ELSA-2021-9077, released March 2, 2021, fixes 7 CVEs across 16 products. None of them is reported as exploited. Patch Radar priority: High.

High
CVEs closed
7
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0174
77th percentile

Priority of the 7 CVEs

Patch now 0 Urgent 0 High 7 Routine 0

Fixed package versions

ProductReleaseFixed in
grub2-commonol 81:2.02-90.0.2.el8
grub2-efi-aa64ol 81:2.02-90.0.2.el8
grub2-efi-aa64-cdbootol 81:2.02-90.0.2.el8
grub2-efi-aa64-modulesol 81:2.02-90.0.2.el8
grub2-efi-ia32ol 81:2.02-90.0.2.el8
grub2-efi-ia32-cdbootol 81:2.02-90.0.2.el8
grub2-efi-ia32-modulesol 81:2.02-90.0.2.el8
grub2-efi-x64ol 81:2.02-90.0.2.el8
grub2-efi-x64-cdbootol 81:2.02-90.0.2.el8
grub2-efi-x64-modulesol 81:2.02-90.0.2.el8
grub2-pcol 81:2.02-90.0.2.el8
grub2-pc-modulesol 81:2.02-90.0.2.el8
grub2-toolsol 81:2.02-90.0.2.el8
grub2-tools-efiol 81:2.02-90.0.2.el8
grub2-tools-extraol 81:2.02-90.0.2.el8
grub2-tools-minimalol 81:2.02-90.0.2.el8

CVEs this fix closes

PriorityCVETitleImpactCVSSEPSSExploitation
High CVE-2020-14372 grub2-common: The grub2 packages provide version 2 of the Grand Unified Boot Loader (GRUB), a highly configurable and customizable... 7.5 0.0174 None reported
High CVE-2020-25632 grub2-common: The grub2 packages provide version 2 of the Grand Unified Boot Loader (GRUB), a highly configurable and customizable... 8.2 0.0115 None reported
High CVE-2021-20225 grub2-common: The grub2 packages provide version 2 of the Grand Unified Boot Loader (GRUB), a highly configurable and customizable... 7.5 0.0101 None reported
High CVE-2020-25647 grub2-common: The grub2 packages provide version 2 of the Grand Unified Boot Loader (GRUB), a highly configurable and customizable... 7.6 0.0079 None reported
High CVE-2021-20233 grub2-efi-aa64: The grub2 packages provide version 2 of the Grand Unified Boot Loader (GRUB), a highly configurable and customizable... 8.2 0.0061 None reported
High CVE-2020-27749 grub2-common: The grub2 packages provide version 2 of the Grand Unified Boot Loader (GRUB), a highly configurable and customizable... 7.5 0.0057 None reported
High CVE-2020-27779 grub2-common: The grub2 packages provide version 2 of the Grand Unified Boot Loader (GRUB), a highly configurable and customizable... 7.5 0.0039 None reported
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