The Grub2 Project Grub2 vulnerabilities

CVE-2020-14311 [MEDIUM] CWE-122 CVE-2020-14311: There is an issue with grub2 before version 2.06 while handling symlink on ext filesystems. A filesy 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.

CVE-2020-14310 [MEDIUM] CWE-122 CVE-2020-14310: There is an issue on grub2 before version 2.06 at function read_section_as_string(). It expects a fo There is an issue on grub2 before version 2.06 at function read_section_as_string(). It expects a font name to be at max UINT32_MAX - 1 length in bytes but it doesn't verify it before proceed with buffer allocation to read the value from the font value. An attacker may leverage that by crafting a malicious font file which has a name with UINT32_MAX,