CVE-2020-4788: Fedoraproject Fedora

Medium severity, CVSS 4.7. EPSS: 0.4% chance of exploitation in the next 30 days.

IBM Power9 (AIX 7.1, 7.2, and VIOS 3.1) processors could allow a local user to obtain sensitive information from the data in the L1 cache under extenuating circumstances. IBM X-Force ID: 189296.

Affected products

• Fedoraproject Fedora: version 32 only; version 33 only
• IBM Aix: version 7.1.0 only; version 7.1.5 only; version 7.2.0 only; version 7.2.3 only; version 7.2.4 only; version 7.2.5 only
• IBM Vios: version 3.1.0 only; version 3.1.1 only; version 3.1.2 only
• Oracle Communications Cloud Native Core Binding Support Function: version 22.1.3 only
• Oracle Communications Cloud Native Core Network Exposure Function: version 22.1.1 only
• Oracle Communications Cloud Native Core Policy: version 22.2.0 only

Published 2020-11-20. Last modified 2026-06-17.