CVE-2018-19963
HIGHXen 4.11 - Reachable Assertion in x86 IOREQ Server Resource Accounting
Title source: llmDescription
An issue was discovered in Xen 4.11 allowing HVM guest OS users to cause a denial of service (host OS crash) or possibly gain host OS privileges because x86 IOREQ server resource accounting (for external emulators) was mishandled.
References (2)
Core 2
Core References
Patch, Third Party Advisory x_refsource_misc
https://xenbits.xen.org/xsa/advisory-276.html
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/106182
Scores
CVSS v3
7.8
EPSS
0.0005
EPSS Percentile
16.0%
Attack Vector
LOCAL
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Details
CWE
CWE-617
Status
published
Products (1)
xen/xen
4.11.0
Published
Dec 08, 2018
Tracked Since
Feb 18, 2026