Linux · Linux · CVE-2020-27777
**Name of the Vulnerable Software and Affected Versions**
Linux (affected versions not specified)
**Description**
A flaw was found in the way RTAS handled memory accesses in userspace to kernel communication. This issue allows a local user to increase their privileges to that of a running kernel on a locked down guest system running on top of PowerVM or KVM hypervisors. The flaw is related to incorrect memory access handling, which can be exploited to gain access to confidential data, disrupt data integrity, and cause a denial of service.
**Recommendations**
At the moment, there is no information about a newer version that contains a fix for this vulnerability.