PT-2016-3294 · Xen · Xen

Jan Beulich · Published 2016-04-13 · Updated 2026-05-26 · CVE-2015-8553

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Xen (affected versions not specified)

Description The issue is related to an incomplete fix, allowing guest OS users to obtain sensitive information from uninitialized locations in host OS kernel memory. This is due to not enabling memory and I/O decoding control bits. Additionally, there is an error in processing numbers, which can be exploited to gain unauthorized access to information.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

BDU:2019-03631

CVE-2015-8553

DSA-4497-1

Affected Products

Xen

References · 16

• https://debian.org/security/2019/dsa-4497 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-4497-1 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-UBUNTU-2404-CVE-2015-8553 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2015-8553 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2015-8553 · Vendor Advisory
• http://xenbits.xen.org/xsa/advisory-120.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2015-8553 · Security Note
• https://bdu.fstec.ru/vul/2019-03631 · Security Note
• https://osv.dev/vulnerability/ROOT-OS-UBUNTU-2204-CVE-2015-8553 · Vendor Advisory
• https://ubuntu.com/security/CVE-2015-8553 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2015-8553 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2015-8553 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2015-8553 · Vendor Advisory
• https://t.me/cveNotify/164727 · Telegram Post
• http://thread.gmane.org/gmane.linux.kernel/1924087/focus=1930758 · Note