The libxl device-handling in Xen through 4.6.x allows local guest OS users with access to the driver domain to cause a denial of service (management tool confusion) by manipulating information in the backend directories in xenstore.
Published 2016-06-07 14:06:16
Updated 2018-09-07 10:29:01
Source MITRE
View at NVD,   CVE.org
Vulnerability category: BypassGain privilegeDenial of service

Exploit prediction scoring system (EPSS) score for CVE-2016-4963

Probability of exploitation activity in the next 30 days: 0.05%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 19 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2016-4963

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
1.9
LOW AV:L/AC:M/Au:N/C:N/I:N/A:P
3.4
2.9
NIST
4.7
MEDIUM CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
1.0
3.6
NIST

CWE ids for CVE-2016-4963

  • The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2016-4963

Products affected by CVE-2016-4963

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