CVE-2020-14311

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.

Date published : 2020-07-31

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14311

https://security.gentoo.org/glsa/202104-05