VulnerabilityModified
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 cachability settings.
MEDIUM 6.8EPSS 1.48%
Does this matter?
Lower severity and a low EPSS score (1.48%). Track it; it rarely justifies an emergency change on its own.
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 3.0
- 6.8 MEDIUMCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
- EPSS
- 1.48% probability · 74th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- debian/debian linux · fedoraproject/fedora · xen/xen · oracle/vm server
- Source
- cve@mitre.org
EPSS moved from 0.4% on 21 September 2026 to 1.5% on 26 October 2026.
References
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177990.htmlThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178518.htmlThird Party Advisory
- http://www.debian.org/security/2016/dsa-3519Third Party Advisory
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.htmlVendor Advisory
- http://www.securitytracker.com/id/1035042Third Party Advisory, VDB Entry
- http://xenbits.xen.org/xsa/advisory-154.htmlPatch, Vendor Advisory
- https://security.gentoo.org/glsa/201604-03
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177990.htmlThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178518.htmlThird Party Advisory
- http://www.debian.org/security/2016/dsa-3519Third Party Advisory
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.htmlVendor Advisory
- http://www.securitytracker.com/id/1035042Third Party Advisory, VDB Entry
- http://xenbits.xen.org/xsa/advisory-154.htmlPatch, Vendor Advisory
- https://security.gentoo.org/glsa/201604-03
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.