CVE-2015-2151
The x86 emulator in Xen 3.2.x through 4.5.x does not properly ignore segment overrides for instructions with register operands, which allows local guest users to obtain sensitive information, cause a
02 Description
The x86 emulator in Xen 3.2.x through 4.5.x does not properly ignore segment overrides for instructions with register operands, which allows local guest users to obtain sensitive information, cause a
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
- 0.54% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 45.6% 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
- Important. 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
- 2015-03-12 14:00Z11 YR AGO
- Last updated
- 2024-08-06 05:10Z2 YR AGO
- Reserved
- 2015-02-28
- 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
- 664b0c0e391a29b11212cf2f9fdc94780e38e6c8eb77084e386b8f660b940e17
05 Affected products
06 References
- www1.huawei.comhttp://www1.huawei.com/en/security/psirt/security-bulletins/security-advisories/hw-423503.htm
- support.citrix.comhttp://support.citrix.com/article/CTX200484
- lists.fedoraproject.orgFEDORA-2015-3944http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152776.html
- lists.fedoraproject.orgFEDORA-2015-3721http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152588.html
- www.oracle.comhttp://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
- xenbits.xen.orghttp://xenbits.xen.org/xsa/advisory-123.html
- www.securitytracker.com1031903http://www.securitytracker.com/id/1031903
- www.debian.orgDSA-3181http://www.debian.org/security/2015/dsa-3181
- kb.juniper.nethttp://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761
- lists.fedoraproject.orgFEDORA-2015-3935http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152483.html
- lists.opensuse.orgopenSUSE-SU-2015:0732http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00014.html
- security.gentoo.orgGLSA-201604-03https://security.gentoo.org/glsa/201604-03
- www.securityfocus.com73015http://www.securityfocus.com/bid/73015
- www.securitytracker.com1031806http://www.securitytracker.com/id/1031806
07 Fixed in
Debian 12
- xen Fixed in 4.4.1-8
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- xen Fixed in 4.4.1-8
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- xen Fixed in 4.4.1-8
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- xen Fixed in 4.4.1-0ubuntu0.14.04.4
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.