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 · 72th percentile
CISA KEV: Not listed
Weakness: CWE-20
Affected: debian/debian linux · fedoraproject/fedora · xen/xen · oracle/vm server
Source: cve@mitre.org

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. Refreshed daily.