CVE-2014-4021
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.
02 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.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.68% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 52.0% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2014-06-18 19:00Z12 YR AGO
- Last updated
- 2024-08-06 11:04Z2 YR AGO
- Reserved
- 2014-06-11
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- b89c8f8b8b3ce7e7755763ccd93e68ee285adc711182e775b3859fbe5d5ed333
05 Affected products
06 References
- lists.fedoraproject.orgFEDORA-2014-7722http://lists.fedoraproject.org/pipermail/package-announce/2014-July/135071.html
- lists.opensuse.orgopenSUSE-SU-2014:1281http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00003.html
- secunia.com60471http://secunia.com/advisories/60471
- secunia.com60027http://secunia.com/advisories/60027
- linux.oracle.comhttp://linux.oracle.com/errata/ELSA-2014-0926.html
- lists.opensuse.orgopenSUSE-SU-2014:1279http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00002.html
- linux.oracle.comhttp://linux.oracle.com/errata/ELSA-2014-0926-1.html
- support.citrix.comhttp://support.citrix.com/article/CTX140984
- www.securitytracker.com1030442http://www.securitytracker.com/id/1030442
- security.gentoo.orgGLSA-201407-03http://security.gentoo.org/glsa/glsa-201407-03.xml
- xenbits.xen.orghttp://xenbits.xen.org/xsa/advisory-100.html
- secunia.com60130http://secunia.com/advisories/60130
- www.debian.orgDSA-3006http://www.debian.org/security/2014/dsa-3006
- www.securityfocus.com68070http://www.securityfocus.com/bid/68070
- secunia.com59208http://secunia.com/advisories/59208
- lists.fedoraproject.orgFEDORA-2014-7734http://lists.fedoraproject.org/pipermail/package-announce/2014-July/135068.html
07 Fixed in
Debian 12
- xen Fixed in 4.4.1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- xen Fixed in 4.4.1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- xen Fixed in 4.4.1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- xen Fixed in 4.4.0-0ubuntu5.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.