Vulnerability Details : CVE-2015-8338
Xen 4.6.x and earlier does not properly enforce limits on page order inputs for the (1) XENMEM_increase_reservation, (2) XENMEM_populate_physmap, (3) XENMEM_exchange, and possibly other HYPERVISOR_memory_op suboperations, which allows ARM guest OS administrators to cause a denial of service (CPU consumption, guest reboot, or watchdog timeout and host reboot) and possibly have unspecified other impact via unknown vectors.
Vulnerability category: Denial of service
Products affected by CVE-2015-8338
- cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2015-8338
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 23 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2015-8338
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.2
|
HIGH | AV:L/AC:L/Au:N/C:C/I:C/A:C |
3.9
|
10.0
|
NIST |
CWE ids for CVE-2015-8338
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2015-8338
-
http://www.securityfocus.com/bid/78920
Xen CVE-2015-8338 Denial of Service Vulnerability
-
http://www.securitytracker.com/id/1034390
Xen HYPERVISOR_memory_op Missing Resource Limits Let Local Administrative Users on a Guest System Cause Denial of Service Conditions on the Host System - SecurityTracker
-
http://xenbits.xen.org/xsa/advisory-158.html
XSA-158 - Xen Security AdvisoriesVendor Advisory
-
http://www.debian.org/security/2016/dsa-3633
Debian -- Security Information -- DSA-3633-1 xen
Jump to