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.

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.

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.

There is an issue with grub2 before version 2.06 while handling symlin ...

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.

Уязвимость загрузчика операционных систем Grub2, связанная с выходом операции за границы буфера данных, позволяющая нарушителю оказать влияние на целостность данных или вызвать отказ в обслуживании

Security update for grub2

Security update for grub2

Security update for grub2

Security update for grub2

Security update for grub2

Security update for grub2

Security update for grub2

Security update for grub2

Security update for grub2

ELSA-2020-5790: grub2 security update (IMPORTANT)

ELSA-2020-5786: grub2 security update (IMPORTANT)

ELSA-2020-5782: grub2 security update (IMPORTANT)

Microsoft Guidance for Addressing Security Feature Bypass in GRUB