vulnerability

VMware Photon OS: CVE-2020-27777

Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
Dec 15, 2020
Added
Jan 20, 2025
Modified
Feb 9, 2026

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.

Solution

vmware-photon_os_update_tdnf
Title
NEW

Explore Exposure Command

Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.