VULNERABILITY INTELLIGENCE

CVE-2020-27674

CVSS score5.3 MEDIUM
EPSS probability0.36%
CISA KEVNot currently listed
Published2020-10-22
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Description

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.

Weakness classification

  • nvd@nist.gov: CWE-787

Primary references