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.
Advisories
Source ID Title
Debian DLA Debian DLA DLA-479-1 xen security update
Debian DSA Debian DSA DSA-3434-1 linux security update
Debian DSA Debian DSA DSA-3471-1 qemu security update
Debian DSA Debian DSA DSA-3519-1 xen security update
Ubuntu USN Ubuntu USN USN-2846-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-2847-1 Linux kernel (Trusty HWE) vulnerabilities
Ubuntu USN Ubuntu USN USN-2848-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-2849-1 Linux kernel (Utopic HWE) vulnerabilities
Ubuntu USN Ubuntu USN USN-2850-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-2851-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-2853-1 Linux kernel (Wily HWE) vulnerabilities
Ubuntu USN Ubuntu USN USN-2854-1 Linux kernel (Vivid HWE) vulnerabilities
Ubuntu USN Ubuntu USN USN-2886-2 Linux kernel (OMAP4) vulnerabilities
Ubuntu USN Ubuntu USN USN-2891-1 QEMU vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-06T08:20:43.458Z

Reserved: 2015-12-14T00:00:00

Link: CVE-2015-8550

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2016-04-14T14:59:04.347

Modified: 2025-04-12T10:46:40.837

Link: CVE-2015-8550

cve-icon Redhat

Severity : Important

Publid Date: 2015-12-17T00:00:00Z

Links: CVE-2015-8550 - Bugzilla

cve-icon OpenCVE Enrichment

No data.