Medium severity · published Jun 7, 2016
CVE-2016-4963
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…
4.7
CVSS
0.3%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 22% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
XE
Xen · Xen
4.0.0; 4.0.1; 4.0.2; 4.0.3; 4.0.4; 4.1.0; +30 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-4963
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-4963
www.securitytracker.com
http://www.securitytracker.com/id/1036024
Vendor Advisory
http://xenbits.xen.org/xsa/advisory-178.html
lists.debian.org
https://lists.debian.org/debian-lts-announce/2018/09/msg00006.html
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