The vulnerability of the ovl_copy_up_one() function in the fs/overlayfs/copy_up.c file of the OverlayFS file system in the Linux operating system allows a hacker to gain increased privileges.

The vulnerability of the ovlcopyupone function in the fs/overlayfs/copyup.c file of the OverlayFS file system in the Linux operating system is related to incorrect handling of stuid and stgid. Exploiting this vulnerability can allow an attacker to increase their privileges...