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Rocky Linux: CVE-2022-28736: Important: grub2, mokutil, shim, and shim-unsigned-x64 security update (RLSA-2022-5095)

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Rocky Linux: CVE-2022-28736: Important: grub2, mokutil, shim, and shim-unsigned-x64 security update (RLSA-2022-5095)

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
07/07/2022
Created
07/16/2022
Added
07/11/2022
Modified
07/12/2022

Description

A use-after-free vulnerability was found on grub2's chainloader command. This flaw allows an attacker to gain access to restricted data or cause arbitrary code execution if they can establish control from grub's memory allocation pattern.

Solution(s)

  • rocky-upgrade-grub2
  • rocky-upgrade-grub2-common
  • rocky-upgrade-grub2-debuginfo
  • rocky-upgrade-grub2-debugsource
  • rocky-upgrade-grub2-efi-aa64
  • rocky-upgrade-grub2-efi-aa64-cdboot
  • rocky-upgrade-grub2-efi-aa64-modules
  • rocky-upgrade-grub2-efi-ia32
  • rocky-upgrade-grub2-efi-ia32-cdboot
  • rocky-upgrade-grub2-efi-ia32-modules
  • rocky-upgrade-grub2-efi-x64
  • rocky-upgrade-grub2-efi-x64-cdboot
  • rocky-upgrade-grub2-efi-x64-modules
  • rocky-upgrade-grub2-pc
  • rocky-upgrade-grub2-pc-modules
  • rocky-upgrade-grub2-tools
  • rocky-upgrade-grub2-tools-debuginfo
  • rocky-upgrade-grub2-tools-efi
  • rocky-upgrade-grub2-tools-efi-debuginfo
  • rocky-upgrade-grub2-tools-extra
  • rocky-upgrade-grub2-tools-extra-debuginfo
  • rocky-upgrade-grub2-tools-minimal
  • rocky-upgrade-grub2-tools-minimal-debuginfo

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