CVE-2015-3340

Xen 4.2.x through 4.5.x does not initialize certain fields, which allows certain remote service domains to obtain sensitive information from memory via a (1) XEN_DOMCTL_gettscinfo or (2) XEN_SYSCTL_getdomaininfolist request.

Published: 2015-04-28 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2015-3340 is rated Low Risk (35.3/100): CVSS Low severity, with medium exploitation likelihood (EPSS 0.62%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2015-3340

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-30 0.66% 0.62% -0.04%
2 2025-03-29 0.62% 0.66% +0.04%
3 2025-03-19 — 0.62% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-3340

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
2.9 2.0 LOW
AV:A/AC:M/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:A)
Requires access to an adjacent network segment.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 5.5 2.9 [email protected]

Weakness enumeration for CVE-2015-3340

OS Trackers for CVE-2015-3340

vendor priority summary link
debian unimportant CVE-2015-3340 unimportant priority: Debian including 1 source packages (xen), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2015-3340
gentoo normal CVE-2015-3340: 1 GLSA(s) (201604-03), 4 atom(s) (app-emulation/pvgrub, app-emulation/xen, app-emulation/xen-pvgrub, app-emulation/xen-tools); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2015-3340
redhat low — https://access.redhat.com/security/cve/CVE-2015-3340
ubuntu low CVE-2015-3340 low priority: Ubuntu including 2 source packages (xen, xen-3.3), 14 status rows across 7 suites (lucid, precise, trusty, upstream, utopic, vivid, wily): DNE 6, released 4, not-affected 2, ignored 1, needs-triage 1. https://ubuntu.com/security/CVE-2015-3340

Affected software / configurations for CVE-2015-3340

Vendor Product Version Raw CPE
xen xen 4.2.0 cpe:2.3:o:xen:xen:4.2.0:*:*:*:*:*:*:*
xen xen 4.2.1 cpe:2.3:o:xen:xen:4.2.1:*:*:*:*:*:*:*
xen xen 4.2.2 cpe:2.3:o:xen:xen:4.2.2:*:*:*:*:*:*:*
xen xen 4.2.3 cpe:2.3:o:xen:xen:4.2.3:*:*:*:*:*:*:*
xen xen 4.2.4 cpe:2.3:o:xen:xen:4.2.4:*:*:*:*:*:*:*
xen xen 4.2.5 cpe:2.3:o:xen:xen:4.2.5:*:*:*:*:*:*:*
xen xen 4.3.0 cpe:2.3:o:xen:xen:4.3.0:*:*:*:*:*:*:*
xen xen 4.3.1 cpe:2.3:o:xen:xen:4.3.1:*:*:*:*:*:*:*
xen xen 4.3.2 cpe:2.3:o:xen:xen:4.3.2:*:*:*:*:*:*:*
xen xen 4.3.3 cpe:2.3:o:xen:xen:4.3.3:*:*:*:*:*:*:*
xen xen 4.3.4 cpe:2.3:o:xen:xen:4.3.4:*:*:*:*:*:*:*
xen xen 4.4.0 cpe:2.3:o:xen:xen:4.4.0:*:*:*:*:*:*:*
xen xen 4.4.1 cpe:2.3:o:xen:xen:4.4.1:*:*:*:*:*:*:*
xen xen 4.4.2 cpe:2.3:o:xen:xen:4.4.2:*:*:*:*:*:*:*
xen xen 4.5.0 cpe:2.3:o:xen:xen:4.5.0:*:*:*:*:*:*:*
suse suse_linux_enterprise_software_development_kit 11.0 cpe:2.3:a:suse:suse_linux_enterprise_software_development_kit:11.0:sp3:*:*:*:*:*:*
suse suse_linux_enterprise_desktop 11.0 cpe:2.3:o:suse:suse_linux_enterprise_desktop:11.0:sp3:*:*:*:*:*:*
suse suse_linux_enterprise_server 11.0 cpe:2.3:o:suse:suse_linux_enterprise_server:11.0:sp3:*:*:*:*:*:*
fedoraproject fedora 20 cpe:2.3:o:fedoraproject:fedora:20:*:*:*:*:*:*:*
fedoraproject fedora 21 cpe:2.3:o:fedoraproject:fedora:21:*:*:*:*:*:*:*
fedoraproject fedora 22 cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*
debian debian_linux 7.0 cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
debian debian_linux 8.0 cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
opensuse opensuse 13.1 cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*
suse linux_enterprise_desktop 12 cpe:2.3:o:suse:linux_enterprise_desktop:12:*:*:*:*:*:*:*
suse linux_enterprise_software_development_kit 12 cpe:2.3:o:suse:linux_enterprise_software_development_kit:12:*:*:*:*:*:*:*
suse suse_linux_enterprise_server 12 cpe:2.3:o:suse:suse_linux_enterprise_server:12:*:*:*:*:*:*:*

References for CVE-2015-3340

URL Tags
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/156005.html Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-May/156979.html Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157006.html Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00018.html Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00019.html Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00001.html Third Party Advisory
http://www.debian.org/security/2015/dsa-3414 Third Party Advisory
http://www.securityfocus.com/bid/74248 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1032158 Third Party Advisory VDB Entry
http://xenbits.xen.org/xsa/advisory-132.html Patch Vendor Advisory
https://security.gentoo.org/glsa/201604-03
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