La virtual box 4.3.26 98988 supporte :





     VirtualBox 4.3.26 (released March 16th 2015)
        

        Windows hosts  x86/AMD64
        OS X hosts  Intel Macs
        Solaris and OpenSolaris hosts  AMD64
        Linux Hosts:
            Ubuntu 13.04 ("Raring") / 13.10 ("Saucy") / 14.04 ("Trusty") / 14.10 ("Utopic")  i386 |  AMD64
            Ubuntu 12.10 ("Quantal")  i386 |  AMD64
            Ubuntu 12.04 ("Precise")  i386 |  AMD64
            Ubuntu 10.04 LTS ("Lucid")  i386 |  AMD64
            Debian 7 ("Wheezy")  i386 | AMD64
            Debian 6 ("Squeeze")  i386 |  AMD64
            openSUSE 12.3 / 13.1  i386 |  AMD64
            openSUSE 11.4 / 12.1 / 12.2  i386 |  AMD64
            SUSE Linux Enterprise Server 11 (SLES11)  i386 |  AMD64
            SUSE Linux Enterprise Server 10 (SLES10)  i386 |  AMD64
            Fedora 18 ("Spherical Cow") / Fedora 19 ("Schrödingers Cat")  i386 |  AMD64
            Fedora 17 ("Beefy Miracle")  i386 |  AMD64
            Mandriva 2011.0  i386 |  AMD64
            Oracle Linux 6 ("OL6") / Red Hat Enterprise Linux 6 ("RHEL6") / CentOS 6  i386 |  AMD64
            Oracle Linux 5 ("OL5") / Red Hat Enterprise Linux 5 ("RHEL5") / CentOS 5  i386 |  AMD64
            All distributions  i386 | AMD64 
        Extension Pack  All Platforms
         Sources
        MD5 checksums, SHA256 checksums 




http://old-releases.ubuntu.com/releases/14.10/