Medium severity · published Feb 19, 2016
CVE-2016-2270
Xen 4.6.x and earlier allows local guest administrators to cause a denial of service (host reboot) via vectors related to multiple mappings of MMIO pages with different…
6.8
CVSS
1.5%
EPSS
No
On KEV
Description
Xen 4.6.x and earlier allows local guest administrators to cause a denial of service (host reboot) via vectors related to multiple mappings of MMIO pages with different cachability settings.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 74% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
7.0; 8.0 · source: NVD
FE
Fedora · Fedoraproject
22; 23 · source: NVD
VS
VM Server · Oracle
3.4 · source: NVD
XE
Xen · Xen
through 4.6.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-2270
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-2270
Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177990.html
Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178518.html
Third Party Advisory
http://www.debian.org/security/2016/dsa-3519
Vendor Advisory
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
Third Party Advisory
http://www.securitytracker.com/id/1035042
Patch
http://xenbits.xen.org/xsa/advisory-154.html
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