CVE-2014-7156

Advisory lineage Upstream: 0 Downstream: 4
Modified
Published: 02 Oct 2014, 14:00
Last modified:06 Aug 2024, 12:40

Vulnerability Summary

Overall Risk (default)
low
13/100
CVSS Score
3.3 LOW
v2.0 (nvd)
EPSS Score
0.8% LOW
1% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

02 Oct 2014, 14:00
Published
Vulnerability first disclosed
06 Aug 2024, 12:40
Last Modified
Vulnerability information updated

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 allows local HVM guest users to cause a denial of service (guest crash) via unspecified vectors.

CVSS Metrics

  • v2.0•LOW•Score: 3.3AV:A/AC:L/Au:N/C:N/I:N/A:P

EPSS Trends

Current EPSS score: 0.80%• Percentile: 74%

Techniques & Countermeasures

  • CWE-264•Permissions, Privileges, and Access Controls

    Weaknesses in this category are related to the management of permissions, privileges, and other security features that are used to perform access control.

Affected Systems

  • xen•xen

    3.3.0 | 3.3.1 | 3.3.2 | 4.1.0 | 4.1.1 | 4.1.2 | 4.1.3 | 4.1.4 | 4.1.5 | 4.1.6.1 | 4.2.0 | 4.2.1 | 4.2.2 | 4.2.3 | 4.3.0 | 4.3.1 | 4.4.0 | 4.4.0:rc1 | 4.4.1

References (13)