Vulnerabilities > CVE-2020-27674 - Out-of-bounds Write vulnerability in multiple products

047910
CVSS 5.3 - MEDIUM
Attack vector
LOCAL
Attack complexity
LOW
Privileges required
LOW
Confidentiality impact
LOW
Integrity impact
LOW
Availability impact
LOW
local
low complexity
xen
fedoraproject
debian
CWE-787

Summary

An issue was discovered in Xen through 4.14.x allowing x86 PV guest OS users to gain guest OS privileges by modifying kernel memory contents, because invalidation of TLB entries is mishandled during use of an INVLPG-like attack technique.

Common Weakness Enumeration (CWE)