Vulnerability Details : CVE-2018-19963
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.
Vulnerability category: Denial of service
Products affected by CVE-2018-19963
- cpe:2.3:o:xen:xen:4.11.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-19963
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 10 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-19963
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.9
|
MEDIUM | AV:L/AC:M/Au:N/C:C/I:C/A:C |
3.4
|
10.0
|
NIST | |
|
7.8
|
HIGH | CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H |
1.1
|
6.0
|
NIST |
CWE ids for CVE-2018-19963
-
The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-19963
-
http://www.securityfocus.com/bid/106182
Xen Multiple Privilege Escalation and Denial of Service VulnerabilitiesThird Party Advisory;VDB Entry
-
https://xenbits.xen.org/xsa/advisory-276.html
XSA-276 - Xen Security AdvisoriesPatch;Third Party Advisory
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