CVE-2015-8550
moderate-risk
Published 2016-04-14
Xen, when used on a system providing PV backends, allows local guest OS administrators to cause a denial of service (host OS crash) or gain privileges by writing to memory shared between the frontend and backend, aka a double fetch vulnerability.
Do I need to act?
!
16.0% chance of exploitation in next 30 days
EPSS score — higher than 84% of all CVEs
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.2/10
High
LOCAL
/ LOW complexity
Affected Products (2)
References (22)
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html
Third Party Advisory
http://www.securityfocus.com/bid/79592
Third Party Advisory
http://www.securitytracker.com/id/1034479
Vendor Advisory
http://xenbits.xen.org/xsa/advisory-155.html
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html
Third Party Advisory
http://www.securityfocus.com/bid/79592
Third Party Advisory
http://www.securitytracker.com/id/1034479
and 2 more references
45
/ 100
moderate-risk
Severity
25/34 · High
Exploitability
13/34 · Low
Exposure
7/34 · Low