Oracle Linux: CVE-2021-20225: ELSA-2021-0696: grub2 security update (MODERATE) (Multiple Advisories)
Description
A flaw was found in grub2 in versions prior to 2.06. The option parser allows an attacker to write past the end of a heap-allocated buffer by calling certain commands with a large number of specific short forms of options. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. A flaw was found in grub2. The option parser allows an attacker to write past the end of a heap-allocated buffer by calling certain commands with a large number of specific short forms of options. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Solution(s)
- oracle-linux-upgrade-grub2
- oracle-linux-upgrade-grub2-common
- oracle-linux-upgrade-grub2-efi-aa64
- oracle-linux-upgrade-grub2-efi-aa64-cdboot
- oracle-linux-upgrade-grub2-efi-aa64-modules
- oracle-linux-upgrade-grub2-efi-ia32
- oracle-linux-upgrade-grub2-efi-ia32-cdboot
- oracle-linux-upgrade-grub2-efi-ia32-modules
- oracle-linux-upgrade-grub2-efi-x64
- oracle-linux-upgrade-grub2-efi-x64-cdboot
- oracle-linux-upgrade-grub2-efi-x64-modules
- oracle-linux-upgrade-grub2-pc
- oracle-linux-upgrade-grub2-pc-modules
- oracle-linux-upgrade-grub2-tools
- oracle-linux-upgrade-grub2-tools-efi
- oracle-linux-upgrade-grub2-tools-extra
- oracle-linux-upgrade-grub2-tools-minimal
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