kernel is vulnerable to information disclosure. The vulnerability exists through information exposure in fd_locked_ioctl function in drivers/block/floppy.c.
access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.7_release_notes/index
access.redhat.com/errata/RHSA-2019:2029
access.redhat.com/security/updates/classification/#important
bugzilla.redhat.com/show_bug.cgi?id=1335986
bugzilla.redhat.com/show_bug.cgi?id=1436351
bugzilla.redhat.com/show_bug.cgi?id=1537033
bugzilla.redhat.com/show_bug.cgi?id=1552203
bugzilla.redhat.com/show_bug.cgi?id=1577640
bugzilla.redhat.com/show_bug.cgi?id=1590228
bugzilla.redhat.com/show_bug.cgi?id=1593417
bugzilla.redhat.com/show_bug.cgi?id=1608955
bugzilla.redhat.com/show_bug.cgi?id=1609699
bugzilla.redhat.com/show_bug.cgi?id=1613056
bugzilla.redhat.com/show_bug.cgi?id=1616109
bugzilla.redhat.com/show_bug.cgi?id=1616425
bugzilla.redhat.com/show_bug.cgi?id=1622167
bugzilla.redhat.com/show_bug.cgi?id=1627563
bugzilla.redhat.com/show_bug.cgi?id=1628378
bugzilla.redhat.com/show_bug.cgi?id=1659146
bugzilla.redhat.com/show_bug.cgi?id=1665990
bugzilla.redhat.com/show_bug.cgi?id=1684780
bugzilla.redhat.com/show_bug.cgi?id=1693457
lists.debian.org/debian-lts-announce/2018/10/msg00003.html
lkml.org/lkml/2018/3/7/1116
usn.ubuntu.com/3695-1/
usn.ubuntu.com/3695-2/
usn.ubuntu.com/3696-1/
usn.ubuntu.com/3696-2/
usn.ubuntu.com/3697-1/
usn.ubuntu.com/3697-2/
usn.ubuntu.com/3698-1/
usn.ubuntu.com/3698-2/
www.debian.org/security/2018/dsa-4308