The vulnerabilities stem from modifications made to the OverlayFS module in the Linux kernel project in 2019 and 2022, which conflicted with Ubuntu’s earlier changes. When Ubuntu adopted the new code, the vulnerabilities became apparent.

The vulnerabilities stem from modifications made to the OverlayFS module in the Linux kernel project in 2019 and 2022, which conflicted with Ubuntu’s earlier changes. When Ubuntu adopted the new code, the vulnerabilities became apparent.