CVE-2015-8553

MEDIUM

Xen - Unauthorized Sensitive Information Exposure via Uninitialized Memory

Title source: llm

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.

References (3)

Core 3

Core References

Patch, Vendor Advisory x_refsource_confirm

http://xenbits.xen.org/xsa/advisory-120.html

Mailing List mailing-list x_refsource_bugtraq

https://seclists.org/bugtraq/2019/Aug/18

Third Party Advisory vendor-advisory x_refsource_debian

https://www.debian.org/security/2019/dsa-4497

Scores

CVSS v3 6.5

EPSS 0.0027

EPSS Percentile 50.7%

Attack Vector LOCAL

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

Details

CWE

CWE-200

Status published

Products (2)

redhat/enterprise_linux 5

xen/xen

Published Apr 13, 2016

Tracked Since Feb 18, 2026