CVE-2015-8550

Advisory lineage Upstream: 0 Downstream: 27
Modified
Published: 14 Apr 2016, 14:00
Last modified:06 Aug 2024, 08:20

Vulnerability Summary

Overall Risk (default)
medium
36/100
CVSS Score
8.2 HIGH
v3.0 (nvd)
EPSS Score
15.96% MEDIUM
16% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

14 Apr 2016, 14:00
Published
Vulnerability first disclosed
06 Aug 2024, 08:20
Last Modified
Vulnerability information updated

Description

Xen, when used on a system providing PV backends, allows local guest OS administrators to cause a denial of service (host OS crash) or gain privileges by writing to memory shared between the frontend and backend, aka a double fetch vulnerability.

CVSS Metrics

  • v3.0•HIGH•Score: 8.2CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
  • v2.0•MEDIUM•Score: 5.7AV:L/AC:L/Au:S/C:P/I:P/A:C

EPSS Trends

Current EPSS score: 15.96%• Percentile: 95%

Techniques & Countermeasures

  • CWE-284•Improper Access Control

    The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

Affected Systems

  • novell•suse_linux_enterprise_real_time_extension

    12:sp1

  • xen•xen

    na

References (11)