A flaw was found in grub2. When failing to mount an HFS+ grub, the hfsplus filesystem driver doesn't properly set an ERRNO value. This issue may lead to a NULL pointer access.
Exploitability
AV:LAC:LPR:HUI:NScope
S:UImpact
C:NI:NA:H4.4/CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:HOther