CVE-2021-3917 Information

Description

A flaw was found in the coreos-installer where it writes the Ignition config to the target system with world-readable access permissions. This flaw allows a local attacker to have read access to potentially sensitive data. The highest threat from this vulnerability is to confidentiality.

Reference

https://bugzilla.redhat.com/show_bug.cgi?id=2018478 https://github.com/coreos/coreos-installer/commit/2a36405339c87b16ed6c76e91ad5b76638fbdb0c https://github.com/coreos/fedora-coreos-tracker/issues/889 https://access.redhat.com/security/cve/CVE-2021-3917