CVE-2014-4021
Summary
| CVE | CVE-2014-4021 |
|---|---|
| State | PUBLISHED |
| Assigner | mitre |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2014-06-18 19:55:04 UTC |
| Updated | 2026-05-06 22:30:45 UTC |
| Description | Xen 3.2.x through 4.4.x does not properly clean memory pages recovered from guests, which allows local guest OS users to obtain sensitive information via unspecified vectors. |
Risk And Classification
CVSS v2.0 Breakdown
Access Vector
AdjacentAccess Complexity
LowAuthentication
SingleConfidentiality
PartialIntegrity
NoneAvailability
NoneAV:A/AC:L/Au:S/C:P/I:N/A:N
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Xen | Xen | 3.2.0 | All | All | All |
| Operating System | Xen | Xen | 3.2.1 | All | All | All |
| Operating System | Xen | Xen | 3.2.2 | All | All | All |
| Operating System | Xen | Xen | 3.2.3 | All | All | All |
| Operating System | Xen | Xen | 4.0.0 | All | All | All |
| Operating System | Xen | Xen | 4.0.1 | All | All | All |
| Operating System | Xen | Xen | 4.0.2 | All | All | All |
| Operating System | Xen | Xen | 4.0.3 | All | All | All |
| Operating System | Xen | Xen | 4.0.4 | All | All | All |
| Operating System | Xen | Xen | 4.1.0 | All | All | All |
| Operating System | Xen | Xen | 4.1.1 | All | All | All |
| Operating System | Xen | Xen | 4.1.2 | All | All | All |
| Operating System | Xen | Xen | 4.1.3 | All | All | All |
| Operating System | Xen | Xen | 4.1.4 | All | All | All |
| Operating System | Xen | Xen | 4.1.5 | All | All | All |
| Operating System | Xen | Xen | 4.1.6.1 | All | All | All |
| Operating System | Xen | Xen | 4.2.0 | All | All | All |
| Operating System | Xen | Xen | 4.2.1 | All | All | All |
| Operating System | Xen | Xen | 4.2.2 | All | All | All |
| Operating System | Xen | Xen | 4.2.3 | All | All | All |
| Operating System | Xen | Xen | 4.3.0 | All | All | All |
| Operating System | Xen | Xen | 4.3.1 | All | All | All |
| Operating System | Xen | Xen | 4.4.0 | All | All | All |
| Operating System | Xen | Xen | 4.4.0 | rc1 | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| XSA-100 - Xen Security Advisories | af854a3a-2127-422b-91ae-364da2661108 | xenbits.xen.org | Patch, Vendor Advisory |
| [security-announce] openSUSE-SU-2014:1281-1: important: xen: security an | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | |
| [SECURITY] Fedora 20 Update: xen-4.3.2-6.fc20 | af854a3a-2127-422b-91ae-364da2661108 | lists.fedoraproject.org | |
| linux.oracle.com | ELSA-2014-0926 | af854a3a-2127-422b-91ae-364da2661108 | linux.oracle.com | |
| About Secunia Research | Flexera | af854a3a-2127-422b-91ae-364da2661108 | secunia.com | |
| Security Advisory SA59208 - Xen Hypervisor Memory Contents Disclosure Security Issue - Secunia | af854a3a-2127-422b-91ae-364da2661108 | secunia.com | |
| linux.oracle.com | ELSA-2014-0926-1 | af854a3a-2127-422b-91ae-364da2661108 | linux.oracle.com | |
| Gentoo Linux Documentation -- Xen: Multiple Vunlerabilities | af854a3a-2127-422b-91ae-364da2661108 | security.gentoo.org | |
| About Secunia Research | Flexera | af854a3a-2127-422b-91ae-364da2661108 | secunia.com | |
| Citrix XenServer Multiple Security Updates | af854a3a-2127-422b-91ae-364da2661108 | support.citrix.com | |
| [SECURITY] Fedora 19 Update: xen-4.2.4-6.fc19 | af854a3a-2127-422b-91ae-364da2661108 | lists.fedoraproject.org | |
| [security-announce] openSUSE-SU-2014:1279-1: important: xen: security an | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | |
| About Secunia Research | Flexera | af854a3a-2127-422b-91ae-364da2661108 | secunia.com | |
| Xen CVE-2014-4021 Information Disclosure Vulnerability | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.com | |
| Debian -- Security Information -- DSA-3006-1 xen | af854a3a-2127-422b-91ae-364da2661108 | www.debian.org | |
| Xen Lets Local Guests Obtain Hypervisor Heap Memory Contents - SecurityTracker | af854a3a-2127-422b-91ae-364da2661108 | www.securitytracker.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.