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Alma Linux: CVE-2022-28736: Important: grub2, mokutil, shim, and shim-unsigned-x64 security update (ALSA-2022-5099)

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Alma Linux: CVE-2022-28736: Important: grub2, mokutil, shim, and shim-unsigned-x64 security update (ALSA-2022-5099)

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
06/16/2022
Created
08/29/2022
Added
08/24/2022
Modified
09/28/2022

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)

  • alma-upgrade-grub2-common
  • alma-upgrade-grub2-efi-aa64
  • alma-upgrade-grub2-efi-aa64-cdboot
  • alma-upgrade-grub2-efi-aa64-modules
  • alma-upgrade-grub2-efi-x64
  • alma-upgrade-grub2-efi-x64-cdboot
  • alma-upgrade-grub2-efi-x64-modules
  • alma-upgrade-grub2-pc
  • alma-upgrade-grub2-pc-modules
  • alma-upgrade-grub2-ppc64le
  • alma-upgrade-grub2-ppc64le-modules
  • alma-upgrade-grub2-tools
  • alma-upgrade-grub2-tools-efi
  • alma-upgrade-grub2-tools-extra
  • alma-upgrade-grub2-tools-minimal
  • alma-upgrade-shim-aa64
  • alma-upgrade-shim-unsigned-x64
  • alma-upgrade-shim-x64

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