RVD#2563: The perf_cpu_time_max_percent_handler function in the Linux kernel allows local users to cause a denial of service.

[rvd-bot]

id: 2563
title: 'RVD#2563: The perf_cpu_time_max_percent_handler function in the Linux kernel
  allows local users to cause a denial of service.'
type: vulnerability
description: The perf_cpu_time_max_percent_handler function in kernel/events/core.c
  in the Linux kernel before 4.11 allows local users to cause a denial of service
  (integer overflow) or possibly have unspecified other impact via a large value,
  as demonstrated by an incorrect sample-rate calculation.
cwe: CWE-190
cve: CVE-2017-18255
keywords:
- MiR100, MiR200, MiR500, MiR250, MiR1000, ER200, ER-Lite, ER-Flex,
  ER-One, UVD
system: MiR100:v2.8.1.1 and before, MiR200, MiR250, MiR500, MiR1000, ER200,
  ER-Lite, ER-Flex, ER-One, UVD
vendor: Mobile Industrial Robots A/S, EasyRobotics, Enabled Robotics, UVD Robots
severity:
  rvss-score: 8.3
  rvss-vector: RVSS:1.0/AV:L/AC:L/PR:L/UI:N/Y:T/S:U/C:H/I:H/A:H/H:U
  severity-description: High
  cvss-score: 7.8
  cvss-vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
links:
- https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2017-18255
- https://github.com/aliasrobotics/RVD/issues/2563
flaw:
  phase: runtime-operation
  specificity: general issue
  architectural-location: platform code
  application: Linux
  subsystem: kernel
  package: linux-image-generic 4.4.0.62.65 amd64
  languages: C
  date-detected: 2020-04-23
  detected-by: Offensive Team (Alias Robotics)
  detected-by-method: Testing Static, Alurity:test_vulners
  date-reported: '2020-06-24'
  reported-by: "Victor Mayoral Vilches (Alias Robotics)"
  reported-by-relationship: null
  issue: https://github.com/aliasrobotics/RVD/issues/2563
  reproducibility: Always
  trace: Not disclosed
  reproduction: Not disclosed
  reproduction-image: Not disclosed
exploitation:
  description: Not disclosed
  exploitation-image: Not disclosed
  exploitation-vector: Not disclosed
  exploitation-recipe: ''
mitigation:
  description: Not disclosed
  pull-request: Not disclosed
  date-mitigation: null