CVE-2020-4788 Information disclosure in AIX

What is CVE-2020-4788?

CVE-2020-4788 is a medium-severity vulnerability in Fedoraproject Fedora, published on 20 Nov 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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.

Which versions are affected by CVE-2020-4788?

It affects 6 products.

Products include Fedoraproject Fedora, Ibm Aix, Ibm Vios, Oracle Communications Cloud Native Core Binding Support Function, Oracle Communications Cloud Native Core Network Exposure Function, Oracle Communications Cloud Native Core Policy.

How do I fix CVE-2020-4788?

Apply the vendor's patch.

Is CVE-2020-4788 being exploited?

There is no known exploitation of CVE-2020-4788 in the wild and no public exploit code.

Other vulnerabilities in Fedoraproject Fedora

• CVE-2024-4577 PHP-CGI OS Command Injection Exploited Critical 9.8
• CVE-2021-39226 Grafana Authentication Bypass Exploited Critical 9.8
• CVE-2019-5544 VMware ESXi and Horizon DaaS OpenSLP Heap-Based Buffer Overflow Exploited Critical 9.8
• CVE-2024-4947 Google Chromium V8 Type Confusion Exploited Critical 9.6
• CVE-2024-4671 Google Chromium Visuals Use-After-Free Exploited Critical 9.6

All Fedoraproject Fedora vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2020-4788, GHSA-fv43-627p-jvmr, UBUNTU-CVE-2020-4788.