title: Red Hat Security Advisory: grub2 security and bug fix update
description: grub2: Crafted grub.cfg file can lead to arbitrary code execution during boot process grub2: grub_malloc does not validate allocation size allowing for arithmetic overflow and subsequent heap-based buffer overflow grub2: Integer overflow in grub_squash_read_symlink may lead to heap-based buffer overflow grub2: Integer overflow read_section_as_string may lead to heap-based buffer overflow grub2: Integer overflow in grub_ext2_read_link leads to heap-based buffer overflow grub2: Fail kernel validation without shim protocol grub2: Use-after-free redefining a function whilst the same function is already executing grub2: Integer overflow in initrd size handling
cpes: cpe:/o:redhat:rhel_aus:7.3::server cpe:/o:redhat:rhel_e4s:7.3::server cpe:/o:redhat:rhel_tus:7.3::server