CVE-2017-12134

Advisory lineage Upstream: 0 Downstream: 16
Modified
Published: 24 Aug 2017, 14:00
Last modified:05 Aug 2024, 18:28

Vulnerability Summary

Overall Risk (default)
medium
35/100
CVSS Score
8.8 HIGH
v3.0 (nvd)
EPSS Score
0.34% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

24 Aug 2017, 14:00
Published
Vulnerability first disclosed
05 Aug 2024, 18:28
Last Modified
Vulnerability information updated

Description

The xen_biovec_phys_mergeable function in drivers/xen/biomerge.c in Xen might allow local OS guest users to corrupt block device data streams and consequently obtain sensitive memory information, cause a denial of service, or gain host OS privileges by leveraging incorrect block IO merge-ability calculation.

CVSS Metrics

  • v3.0•HIGH•Score: 8.8CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
  • v2.0•HIGH•Score: 7.2AV:L/AC:L/Au:N/C:C/I:C/A:C

EPSS Trends

Current EPSS score: 0.34%• Percentile: 57%

Techniques & Countermeasures

  • CWE-682•Incorrect Calculation

    The product performs a calculation that generates incorrect or unintended results that are later used in security-critical decisions or resource management.

Affected Systems

  • citrix•xenserver

    6.0.2 | 6.2.0 | 6.5 | 7.0 | 7.1 | 7.2

References (10)