Description
An issue was discovered in Xen through 4.14.x allowing x86 HVM guest OS users to cause a denial of service (stack corruption), cause a data leak, or possibly gain privileges because of an off-by-one error. NOTE: this issue is caused by an incorrect fix for CVE-2020-27671.
Scores
CVSS v3
8.8
EPSS
0.0006
EPSS Percentile
19.9%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Details
CWE
CWE-193
CWE-787
Status
published
Products (1)
xen/xen
< 4.14.0
Published
Nov 24, 2020
Tracked Since
Feb 18, 2026