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CVE-2020-27777

PoC ×2—
CVSS 3.1
6.7 medium
EPSS
<1%p40
Published
()
Modified
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.

Vendors
linuxredhat
Products
linux kernel, openshift container platform, enterprise linux
Weakness
CWE-862
Vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD CVE.org GitHub PoCs EPSS (0.5%)

In the news

No ingested article mentions this CVE yet.