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: acpi command allows privileged user to load crafted ACPI tables when Secure Boot is enabled (CVE-2020-14372)
grub2: Use-after-free in rmmod command (CVE-2020-25632)
grub2: Out-of-bounds write in grub_usb_device_initialize() (CVE-2020-25647)
grub2: Stack buffer overflow in grub_parser_split_cmdline() (CVE-2020-27749)
grub2: cutmem command allows privileged user to remove memory regions when Secure Boot is enabled (CVE-2020-27779)
grub2: Heap out-of-bounds write in short form option parser (CVE-2021-20225)
grub2: Heap out-of-bounds write due to miscalculation of space required for quoting (CVE-2021-20233)
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 | 7 | noarch | grub2-ppc64-modules | < 2.02-0.86.el7_4.2 | grub2-ppc64-modules-2.02-0.86.el7_4.2.noarch.rpm |
RedHat | 7 | x86_64 | grub2 | < 2.02-0.86.el7_4.2 | grub2-2.02-0.86.el7_4.2.x86_64.rpm |
RedHat | 7 | x86_64 | grub2-debuginfo | < 2.02-0.86.el7_4.2 | grub2-debuginfo-2.02-0.86.el7_4.2.x86_64.rpm |
RedHat | 7 | ppc64le | grub2-ppc64le | < 2.02-0.86.el7_4.2 | grub2-ppc64le-2.02-0.86.el7_4.2.ppc64le.rpm |
RedHat | 7 | x86_64 | grub2-pc | < 2.02-0.86.el7_4.2 | grub2-pc-2.02-0.86.el7_4.2.x86_64.rpm |
RedHat | 7 | x86_64 | grub2-efi-x64 | < 2.02-0.86.el7_4.2 | grub2-efi-x64-2.02-0.86.el7_4.2.x86_64.rpm |
RedHat | 7 | ppc64le | grub2-tools-minimal | < 2.02-0.86.el7_4.2 | grub2-tools-minimal-2.02-0.86.el7_4.2.ppc64le.rpm |
RedHat | 7 | ppc64le | grub2 | < 2.02-0.86.el7_4.2 | grub2-2.02-0.86.el7_4.2.ppc64le.rpm |
RedHat | 7 | noarch | grub2-efi-ia32-modules | < 2.02-0.86.el7_4.2 | grub2-efi-ia32-modules-2.02-0.86.el7_4.2.noarch.rpm |
RedHat | 7 | ppc64le | grub2-debuginfo | < 2.02-0.86.el7_4.2 | grub2-debuginfo-2.02-0.86.el7_4.2.ppc64le.rpm |