CVE-2015-8553

At a glance

Severity: MEDIUM 6.5
EPSS: EPSS 0.38 % · percentile 32 (2026-10-27)
State: PUBLISHED
Published: 2016-04-13
Updated: 2026-05-26
Assigner: mitre
NVD status: Modified

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.

Scores

Version	Score	Vector	Scored by
CVSS 3.1	MEDIUM 6.5	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N	CISA-ADP
CVSS 3.1	MEDIUM 6.5	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N	NVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)
CVSS 3.0	MEDIUM 6.5	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N	NVD · nvd@nist.gov (Primary)
CVSS 2.0	LOW 2.1	AV:L/AC:L/Au:N/C:P/I:N/A:N	NVD · nvd@nist.gov (Primary)

Weaknesses (CWE)

CWE-200

European references

ENISA EUVD · EUVD-2015-8433
GCVE · GCVE-0-2015-8553

CERT-FR advisories

CERTFR-2026-AVI-0326 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
CERTFR-2026-AVI-0316 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
CERTFR-2019-AVI-392 — Multiples vulnérabilités dans le noyau Linux de Debian · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

cpe:2.3:o:xen:xen:-:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:5:*:*:*:*:*:*:*

Affected products

Product	Versions
	affected n/a

References

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD