PT-2016-3927 · Xen+1 · Xen+1

Jan Beulich · Published 2016-01-14 · Updated 2024-06-15 · CVE-2015-8555

Positive Technologies (AI Summary)

CVSS v3.1

8.6

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Xen versions 4.6.x through 4.3.x and earlier

Description The issue allows local guest domains to obtain sensitive information from other domains via unspecified vectors due to the lack of initialization of x86 FPU stack and XMM registers when XSAVE/XRSTOR are not used to manage guest extended register state.

Recommendations For Xen versions 4.6.x through 4.3.x and earlier, at the moment, there is no information about a newer version that contains a fix for this issue.

Fix

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

CVE-2015-8555

DLA-479-1

DSA-3519-1

MGASA-2016-0098

OPENSUSE-SU-2016_0123-1

OPENSUSE-SU-2016_0124-1

OPENSUSE-SU-2016_0126-1

OPENSUSE-SU-2024:10196-1

SUSE-SU-2016:0873-1

SUSE-SU-2016:0955-1

SUSE-SU-2016:1154-1

SUSE-SU-2016:1318-1

SUSE-SU-2016:1745-1

Affected Products

Suse

Xen

References · 343

• https://bdu.fstec.ru/vul/2016-00583 · Security Note
• http://xenbits.xen.org/xsa/advisory-165.html · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2016:1154-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2016:0955-1 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2270 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8555 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2015-8555 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2015-8555 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8340 · Security Note
• https://security-tracker.debian.org/tracker/DSA-3519-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2015-8555 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2015-8555 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:10196-1 · Vendor Advisory
• https://bdu.fstec.ru/vul/2016-00004 · Security Note
• https://bdu.fstec.ru/vul/2016-00582 · Security Note