The vulnerability of the OverlayFS component arises from the Firejail jailer’s SUID status. This vulnerability stems from insufficient checks on the state of shared resources. As a result, attackers can gain access to confidential data, compromise its integrity, and even cause service failures.

The vulnerability of the OverlayFS component in Firejail’s SUID mode is related to insufficient checking of the status of shared resources. Exploiting this vulnerability can allow an attacker to access confidential data, compromise its integrity, and cause service failures...