CVE-2015-8553

xen: non-maskable interrupts triggerable by guests (xsa120)

Published Apr 13, 2016 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Description
Xen allows guest OS users to obtain sensitive information from uninitialized locations in host OS kernel memory by not enabling memory and I/O decoding control bits. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-0777.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-4497-1 linux security update
EUVD EUVD EUVD-2015-8433 Xen allows guest OS users to obtain sensitive information from uninitialized locations in host OS kernel memory by not enabling memory and I/O decoding control bits. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-0777.
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
May 26, 2026, 5:44 PM
Reserved
Dec 14, 2015, 12:00 AM
Status
Modified
Published
Apr 13, 2016, 3:59 PM
Modified
Jun 17, 2026, 12:34 AM
Severity
Moderate
Public date
Mar 10, 2015, 12:00 AM