CVE-2018-5407EPSS p88.6%

CVE-2018-5407CVE-2018-5407

canonical / ubuntu_linux

Description

Simultaneous Multi-threading (SMT) in processors can enable local users to exploit software vulnerable to timing attacks via a side-channel timing attack on 'port contention'.

Scoring

CVSS 4.7 ()
VectorCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS3.42% probability of exploitation · percentile 88.6% · 2026-10-10T12:00:23Z
Last modified2026-10-08
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.