CVE-2026-46695 BoxLite: Permission Bypass in boxlite Allows Modification of Read-Only Files

Boxlite is a sandbox service that allows users to create lightweight virtual machines Boxes and launch OCI containers within them to run untrusted code. Prior to version 0.9.0, Boxlite does not restrict the kernel capabilities available inside the container, malicious code can remount the directo...

kernel: efivarfs: force RO when remounting if SetVariable is not supported

A flaw was found in the Linux kernel, which involves the improper handling of the efivarfs filesystem when the firmware does not support the SetVariable function at runtime. Specifically, even if efivarfs is initially mounted as read-only RO, it can be remounted as read-write RW without checking ...