CVE-2015-8550

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.

CVSS v3.0 NVD

8.2 HIGHCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

CVSS v2.0 NVD

5.7 MEDIUMAV:L/AC:L/Au:S/C:P/I:P/A:C

EPSS

1.08% chance of exploitation in the next 30 days, 65th percentile

Published

2016-04-14

Updated

2024-08-06

Proof-of-concept exploits (1)

• WhatsWrongAndWhy/CVE-2015-85500★ · 2026-07-15

Security advisories

• http://xenbits.xen.org/xsa/advisory-155.html
• http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html
• http://www.securityfocus.com/bid/79592
• http://www.securitytracker.com/id/1034479
• http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html

References

• CVE Record
• NVD entry

Related

• CVE-2015-1328
• CVE-2016-8655
• CVE-2016-9793
• CVE-2017-1000112
• CVE-2017-16995
• CVE-2017-7308