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Amazon Linux AMI 2: CVE-2024-1048: Security patch for grub2 (ALAS-2024-2499)

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Amazon Linux AMI 2: CVE-2024-1048: Security patch for grub2 (ALAS-2024-2499)

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
02/06/2024
Created
03/20/2024
Added
03/19/2024
Modified
03/19/2024

Description

A flaw was found in the grub2-set-bootflag utility of grub2. After the fix of CVE-2019-14865, grub2-set-bootflag will create a temporary file with the new grubenv content and rename it to the original grubenv file. If the program is killed before the rename operation, the temporary file will not be removed and may fill the filesystem when invoked multiple times, resulting in a filesystem out of free inodes or blocks.

Solution(s)

  • amazon-linux-ami-2-upgrade-grub2
  • amazon-linux-ami-2-upgrade-grub2-common
  • amazon-linux-ami-2-upgrade-grub2-debuginfo
  • amazon-linux-ami-2-upgrade-grub2-efi-aa64
  • amazon-linux-ami-2-upgrade-grub2-efi-aa64-cdboot
  • amazon-linux-ami-2-upgrade-grub2-efi-aa64-ec2
  • amazon-linux-ami-2-upgrade-grub2-efi-aa64-modules
  • amazon-linux-ami-2-upgrade-grub2-efi-x64
  • amazon-linux-ami-2-upgrade-grub2-efi-x64-cdboot
  • amazon-linux-ami-2-upgrade-grub2-efi-x64-ec2
  • amazon-linux-ami-2-upgrade-grub2-efi-x64-modules
  • amazon-linux-ami-2-upgrade-grub2-emu
  • amazon-linux-ami-2-upgrade-grub2-emu-modules
  • amazon-linux-ami-2-upgrade-grub2-pc
  • amazon-linux-ami-2-upgrade-grub2-pc-modules
  • amazon-linux-ami-2-upgrade-grub2-tools
  • amazon-linux-ami-2-upgrade-grub2-tools-efi
  • amazon-linux-ami-2-upgrade-grub2-tools-extra
  • amazon-linux-ami-2-upgrade-grub2-tools-minimal

References

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