CVE-2015-8550

xen: paravirtualized drivers incautious about shared memory contents (XSA-155)

Published Apr 14, 2016 CVSS 3.0 · 8.2 High EPSS 1.1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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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
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 6, 2024, 8:20 AM
Reserved
Dec 14, 2015, 12:00 AM
Status
Modified
Published
Apr 14, 2016, 2:59 PM
Modified
Jun 17, 2026, 12:34 AM
Severity
Important
Public date
Dec 17, 2015, 12:00 AM