CVE-2020-27777

2020-12-15T17:15:00
ID CVE-2020-27777
Type cve
Reporter secalert@redhat.com
Modified 2020-12-22T17:18:00

Description

A flaw was found in the way RTAS handled memory accesses in userspace to kernel communication. On a locked down (usually due to Secure Boot) guest system running on top of PowerVM or KVM hypervisors (pseries platform) a root like local user could use this flaw to further increase their privileges to that of a running kernel.