CVE-2014-7156
The x86_emulate function in arch/x86/x86_emulate/x86_emulate.c in Xen 3.3.x through 4.4.x does not check the supervisor mode permissions for instructions that generate software interrupts, which
02 Description
The x86_emulate function in arch/x86/x86_emulate/x86_emulate.c in Xen 3.3.x through 4.4.x does not check the supervisor mode permissions for instructions that generate software interrupts, which
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
- 0.84% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 57.7% 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
- 2014-10-02 14:00Z12 YR AGO
- Last updated
- 2024-08-06 12:40Z2 YR AGO
- Reserved
- 2014-09-24
- 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
- 1b87301246c006da2a6c968706cb7fa74f31006acc78dbc8883973844747637a
05 Affected products
06 References
- lists.opensuse.orgopenSUSE-SU-2014:1281http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00003.html
- lists.fedoraproject.orgFEDORA-2014-12000http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140483.html
- xenbits.xen.orghttp://xenbits.xen.org/xsa/advisory-106.html
- lists.opensuse.orgopenSUSE-SU-2014:1279http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00002.html
- support.citrix.comhttp://support.citrix.com/article/CTX200218
- www.securityfocus.com70062http://www.securityfocus.com/bid/70062
- lists.fedoraproject.orgFEDORA-2014-12036http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140418.html
- www.securitytracker.com1030889http://www.securitytracker.com/id/1030889
- www.debian.orgDSA-3041http://www.debian.org/security/2014/dsa-3041
- secunia.com61858http://secunia.com/advisories/61858
- secunia.com61890http://secunia.com/advisories/61890
- secunia.com61500http://secunia.com/advisories/61500
- security.gentoo.orgGLSA-201412-42http://security.gentoo.org/glsa/glsa-201412-42.xml
07 Fixed in
Debian 12
- xen Fixed in 4.4.1-3
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- xen Fixed in 4.4.1-3
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- xen Fixed in 4.4.1-3
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- xen Fixed in 4.4.0-0ubuntu5.2
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.