Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002088)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002088 advisory. The doremount function in fs/namespace.c in the Linux kernel through 3.16.1 does not maintain the MNTLOCKREADONLY bit across a remount of a bind mount, which allows...

Design/Logic Flaw

The doremount function in fs/namespace.c in the Linux kernel through 3.16.1 does not maintain the MNTLOCKREADONLY bit across a remount of a bind mount, which allows local users to bypass an intended read-only restriction and defeat certain sandbox protection mechanisms via a "mount -o remount"...

CVE-2014-5206

CVE-2014-5206 : In Linux kernel versions up to 3.16.1, the do_remount function in fs/namespace.c fails to preserve the MNT_LOCK_READONLY flag across remounts of bind mounts. This allows a local user to bypass the intended read-only restriction by using a mount -o remount within a user namespace, ...

CVE-2014-5206: Improper Privilege Management

The doremount function in fs/namespace.c in the Linux kernel through 3.16.1 does not maintain the MNTLOCKREADONLY bit across a remount of a bind mount, which allows local users to bypass an intended read-only restriction and defeat certain sandbox protection mechanisms via a "mount -o remount"...