CVE-2015-8550

high

Description

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.

References

Advisories
More

http://www.securitytracker.com/id/1034479

http://www.securityfocus.com/bid/79592

http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html

https://security.gentoo.org/glsa/201604-03

http://xenbits.xen.org/xsa/advisory-155.html

http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html

http://www.debian.org/security/2016/dsa-3519

http://www.debian.org/security/2016/dsa-3471

http://www.debian.org/security/2016/dsa-3434

http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html

http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html

Details

Source: Mitre, NVD

Published: 2016-04-14

Updated: 2025-04-12

Risk Information

CVSS v2

Base Score: 5.7

Vector: CVSS2#AV:L/AC:L/Au:S/C:P/I:P/A:C

Severity: Medium

CVSS v3

Base Score: 8.2

Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.15964

Detections

Analytics