01 Record

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.

UnratedPUBLISHEDCNA: mitre

CNA base scoreUnratedNo CNA CVSS vector

View raw JSON

02 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.

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 1.48% probability of exploitation activity in the next 30 days.
EPSS percentile: Ranks above 72.1% of scored records. A rank, not a probability.
NVD base score: 6.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
NVD analysis status: Modified. NVD last modified this record on 2026-06-17.
Red Hat severity: Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2016-02-19 16:00Z10 YR AGO

Last updated

2024-08-05 23:24Z2 YR AGO

Reserved

2016-02-09

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

CWE-20Improper Input ValidationClass

Data version

5.1

Document digest

1af44ab5d8d5f09a8f2fdc47b37a62ad03a21bcc4b0c1e8965e9e81203cd2c99

05 Affected products

VendorProductVersionsPlatforms

debiandebian_linuxNot specified—

fedoraprojectfedoraNot specified—

oraclevm_serverNot specified—

redhatenterprise_linuxNot specified—

xenxenNot specified—

06 References

www.oracle.comhttp://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.htmlx_refsource_CONFIRM
www.debian.orgDSA-3519http://www.debian.org/security/2016/dsa-3519vendor-advisoryx_refsource_DEBIAN
lists.fedoraproject.orgFEDORA-2016-e48f4bd14fhttp://lists.fedoraproject.org/pipermail/package-announce/2016-February/177990.htmlvendor-advisoryx_refsource_FEDORA
lists.fedoraproject.orgFEDORA-2016-f8121efdachttp://lists.fedoraproject.org/pipermail/package-announce/2016-March/178518.htmlvendor-advisoryx_refsource_FEDORA
xenbits.xen.orghttp://xenbits.xen.org/xsa/advisory-154.htmlx_refsource_CONFIRM
www.securitytracker.com1035042http://www.securitytracker.com/id/1035042vdb-entryx_refsource_SECTRACK
security.gentoo.orgGLSA-201604-03https://security.gentoo.org/glsa/201604-03vendor-advisoryx_refsource_GENTOO

01 Record index

CVE-2016-2270

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References

02 Records

CVE-2016-2270

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References