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Alma Linux: CVE-2021-20225: Moderate: shim security update (ALSA-2021-1734)

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Alma Linux: CVE-2021-20225: Moderate: shim security update (ALSA-2021-1734)

Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
03/03/2021
Created
05/05/2022
Added
05/04/2022
Modified
10/28/2022

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.

Solution(s)

  • alma-upgrade-shim-aa64
  • alma-upgrade-shim-ia32
  • alma-upgrade-shim-unsigned-aarch64
  • alma-upgrade-shim-unsigned-x64
  • alma-upgrade-shim-x64

References

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