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SUSE: CVE-2020-15706: SUSE Linux Security Advisory

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SUSE: CVE-2020-15706: SUSE Linux Security Advisory

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
07/29/2020
Created
08/01/2020
Added
07/30/2020
Modified
10/22/2021

Description

GRUB2 contains a race condition in grub_script_function_create() leading to a use-after-free vulnerability which can be triggered by redefining a function whilst the same function is already executing, leading to arbitrary code execution and secure boot restriction bypass. This issue affects GRUB2 version 2.04 and prior versions.

Solution(s)

  • suse-upgrade-grub2
  • suse-upgrade-grub2-arm64-efi
  • suse-upgrade-grub2-branding-upstream
  • suse-upgrade-grub2-i386-efi
  • suse-upgrade-grub2-i386-efi-debug
  • suse-upgrade-grub2-i386-pc
  • suse-upgrade-grub2-i386-pc-debug
  • suse-upgrade-grub2-i386-xen
  • suse-upgrade-grub2-powerpc-ieee1275
  • suse-upgrade-grub2-s390x-emu
  • suse-upgrade-grub2-snapper-plugin
  • suse-upgrade-grub2-systemd-sleep-plugin
  • suse-upgrade-grub2-x86_64-efi
  • suse-upgrade-grub2-x86_64-efi-debug
  • suse-upgrade-grub2-x86_64-xen

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