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CentOS Linux: CVE-2020-14311: Moderate: grub2 security update (Multiple Advisories)

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CentOS Linux: CVE-2020-14311: Moderate: grub2 security update (Multiple Advisories)

Severity
4
CVSS
(AV:L/AC:L/Au:N/C:N/I:P/A:P)
Published
07/29/2020
Created
07/31/2020
Added
07/30/2020
Modified
05/25/2023

Description

There is an issue with grub2 before version 2.06 while handling symlink on ext filesystems. A filesystem containing a symbolic link with an inode size of UINT32_MAX causes an arithmetic overflow leading to a zero-sized memory allocation with subsequent heap-based buffer overflow.

Solution(s)

  • centos-upgrade-fwupd
  • centos-upgrade-fwupd-debuginfo
  • centos-upgrade-fwupd-debugsource
  • centos-upgrade-fwupdate
  • centos-upgrade-fwupdate-debuginfo
  • centos-upgrade-fwupdate-devel
  • centos-upgrade-fwupdate-efi
  • centos-upgrade-fwupdate-libs
  • centos-upgrade-grub2
  • centos-upgrade-grub2-common
  • centos-upgrade-grub2-debuginfo
  • centos-upgrade-grub2-debugsource
  • centos-upgrade-grub2-efi-aa64-modules
  • centos-upgrade-grub2-efi-ia32
  • centos-upgrade-grub2-efi-ia32-cdboot
  • centos-upgrade-grub2-efi-ia32-modules
  • centos-upgrade-grub2-efi-x64
  • centos-upgrade-grub2-efi-x64-cdboot
  • centos-upgrade-grub2-efi-x64-modules
  • centos-upgrade-grub2-pc
  • centos-upgrade-grub2-pc-modules
  • centos-upgrade-grub2-ppc-modules
  • centos-upgrade-grub2-ppc64-modules
  • centos-upgrade-grub2-ppc64le-modules
  • centos-upgrade-grub2-tools
  • centos-upgrade-grub2-tools-debuginfo
  • centos-upgrade-grub2-tools-efi
  • centos-upgrade-grub2-tools-efi-debuginfo
  • centos-upgrade-grub2-tools-extra
  • centos-upgrade-grub2-tools-extra-debuginfo
  • centos-upgrade-grub2-tools-minimal
  • centos-upgrade-grub2-tools-minimal-debuginfo
  • centos-upgrade-mokutil
  • centos-upgrade-mokutil-debuginfo
  • centos-upgrade-shim-ia32
  • centos-upgrade-shim-unsigned-ia32
  • centos-upgrade-shim-unsigned-x64
  • centos-upgrade-shim-x64

References

  • CVE-2020-14311

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