MGASA-2026-0462 Updated fuse-overlayfs package fixes security vulnerabilities

fuse-overlayfs release-1.x preserves SUID/SGID bits after truncate/openOTRUNC. CVE-2026-52791 Operations on hardlinked lower-layer files resolving to the wrong layer. CVE-2026-77478...

CVE-2026-52791: Incorrect Privilege Assignment

fuse-overlayfs is an implementation of overlayfs in FUSE for rootless containers. Prior to 1.17, the release-1.x C branch preserves SUID and SGID mode bits in main.c during openOTRUNC and truncate handling on a copied-up file, allowing a low-privileged process to leave the upper-layer file with...