A grub2 security update has been released for AlmaLinux.
ALSA-2021:0696 Moderate: grub2 security update
Type:
security
Severity:
moderate
Release date:
2021-03-02
Description
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.
References:
CVE-2020-14372
CVE-2020-25632
CVE-2020-25647
CVE-2020-27749
CVE-2020-27779
CVE-2021-20225
CVE-2021-20233
ALSA-2021-0696
Updates packages:
grub2-common-2.02-90.el8_3.1.alma.noarch.rpm
grub2-efi-ia32-2.02-90.el8_3.1.alma.x86_64.rpm
grub2-efi-ia32-cdboot-2.02-90.el8_3.1.alma.x86_64.rpm
grub2-efi-ia32-modules-2.02-90.el8_3.1.alma.noarch.rpm
grub2-efi-x64-2.02-90.el8_3.1.alma.x86_64.rpm
grub2-efi-x64-cdboot-2.02-90.el8_3.1.alma.x86_64.rpm
grub2-efi-x64-modules-2.02-90.el8_3.1.alma.noarch.rpm
grub2-pc-2.02-90.el8_3.1.alma.x86_64.rpm
grub2-pc-modules-2.02-90.el8_3.1.alma.noarch.rpm
grub2-tools-2.02-90.el8_3.1.alma.x86_64.rpm
grub2-tools-efi-2.02-90.el8_3.1.alma.x86_64.rpm
grub2-tools-extra-2.02-90.el8_3.1.alma.x86_64.rpm
grub2-tools-minimal-2.02-90.el8_3.1.alma.x86_64.rpm
Notes:
This page is generated automatically and has not been checked for errors. For clarification or corrections please contact the AlmaLinux Packaging Team.
