View at Official ubuntu advisory, NVD, CVE.org · CVE detail
Freshness: upstream tracker timestamp is available; use API updated time as primary recency signal.
CVE-2017-8422 high priority: Ubuntu including 2 source packages (kauth, kde4libs), 10 status rows across 5 suites (trusty, upstream, xenial, yakkety, zesty): released 9, DNE 1.
KDE kdelibs before 4.14.32 and KAuth before 5.34 allow local users to gain root privileges by spoofing a callerID and leveraging a privileged helper app.