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-2018-3665 medium priority: Ubuntu including 94 source packages (linux, linux-aws, …), 819 status rows across 11 suites (artful, bionic, cosmic, focal, jammy, noble, oracular, plucky, trusty, upstream, xenial): DNE 551, not-affected 152, released 101, ignored 15.
System software utilizing Lazy FP state restore technique on systems using Intel Core-based microprocessors may potentially allow a local process to infer data from another process through a speculative execution side channel.