CVE-2020-0549: Canonical Ubuntu Linux

Medium severity, CVSS 5.5. EPSS: 0.6% chance of exploitation in the next 30 days.

Cleanup errors in some data cache evictions for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.

Affected products

Canonical Ubuntu Linux: version 14.04 only; version 16.04 only; version 18.04 only; version 19.10 only; version 20.04 only
Debian Debian Linux: version 8.0 only; version 10.0 only; version 11.0 only
Fedoraproject Fedora: version 31 only; version 32 only
Intel Celeron 3855u Firmware: affected versions not specified
Intel Celeron 3865u Firmware: affected versions not specified
Intel Celeron 3955u Firmware: affected versions not specified
Intel Celeron 3965u Firmware: affected versions not specified
Intel Celeron 3965y Firmware: affected versions not specified
Intel Celeron g3900 Firmware: affected versions not specified
Intel Celeron g3900t Firmware: affected versions not specified
Intel Celeron g3900te Firmware: affected versions not specified
Intel Celeron g3902e Firmware: affected versions not specified
Intel Celeron g3920 Firmware: affected versions not specified
Intel Celeron g3920t Firmware: affected versions not specified
Intel Celeron g3930e Firmware: affected versions not specified
Intel Celeron g3930te Firmware: affected versions not specified
Intel Celeron g3940 Firmware: affected versions not specified
Intel Celeron g4900 Firmware: affected versions not specified
Intel Celeron g4900t Firmware: affected versions not specified
Intel Celeron g4920 Firmware: affected versions not specified
Intel Core i3-6100 Firmware: affected versions not specified
Intel Core i3-6100e Firmware: affected versions not specified
Intel Core i3-6100h Firmware: affected versions not specified
Intel Core i3-6100t Firmware: affected versions not specified
Intel Core i3-6100te Firmware: affected versions not specified
and 406 more

Published 2020-01-28. Last modified 2026-06-17.