CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS
Percentile
32.6%
The grub2 packages provide version 2 of the Grand Unified Boot Loader (GRUB), a highly configurable and customizable boot loader with modular architecture. The packages support a variety of kernel formats, file systems, computer architectures, and hardware devices.
Security Fix(es):
grub2: Buffer overflow in grub_font_construct_glyph() can lead to out-of-bound write and possible secure boot bypass (CVE-2022-2601)
grub2: Heap based out-of-bounds write when redering certain unicode sequences (CVE-2022-3775)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
RedHat | 8 | x86_64 | grub2-tools-extra | < 2.02-87.el8_2.11 | grub2-tools-extra-2.02-87.el8_2.11.x86_64.rpm |
RedHat | 8 | x86_64 | grub2-tools-minimal | < 2.02-87.el8_2.11 | grub2-tools-minimal-2.02-87.el8_2.11.x86_64.rpm |
RedHat | 8 | x86_64 | grub2-pc | < 2.02-87.el8_2.11 | grub2-pc-2.02-87.el8_2.11.x86_64.rpm |
RedHat | 8 | x86_64 | grub2-efi-x64 | < 2.02-87.el8_2.11 | grub2-efi-x64-2.02-87.el8_2.11.x86_64.rpm |
RedHat | 8 | x86_64 | grub2-tools-efi | < 2.02-87.el8_2.11 | grub2-tools-efi-2.02-87.el8_2.11.x86_64.rpm |
RedHat | 8 | ppc64le | grub2-tools-debuginfo | < 2.02-87.el8_2.11 | grub2-tools-debuginfo-2.02-87.el8_2.11.ppc64le.rpm |
RedHat | 8 | noarch | grub2-efi-x64-modules | < 2.02-87.el8_2.11 | grub2-efi-x64-modules-2.02-87.el8_2.11.noarch.rpm |
RedHat | 8 | ppc64le | grub2-debugsource | < 2.02-87.el8_2.11 | grub2-debugsource-2.02-87.el8_2.11.ppc64le.rpm |
RedHat | 8 | x86_64 | grub2-tools | < 2.02-87.el8_2.11 | grub2-tools-2.02-87.el8_2.11.x86_64.rpm |
RedHat | 8 | ppc64le | grub2-ppc64le | < 2.02-87.el8_2.11 | grub2-ppc64le-2.02-87.el8_2.11.ppc64le.rpm |