CVE-2017-18203

Aliases:UBUNTU-CVE-2017-18203DEBIAN-CVE-2017-18203
Advisory lineage Upstream: 0 Downstream: 17
Modified
Published: 27 Feb 2018, 20:00
Last modified:05 Aug 2024, 21:13

Vulnerability Summary

Overall Risk (default)
low
19/100
CVSS Score
4.7 MEDIUM
v3.0 (nvd)
EPSS Score
0.32% LOW
0% probability +0.27%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

27 Feb 2018, 20:00
Published
Vulnerability first disclosed
05 Aug 2024, 21:13
Last Modified
Vulnerability information updated

Description

The dm_get_from_kobject function in drivers/md/dm.c in the Linux kernel before 4.14.3 allow local users to cause a denial of service (BUG) by leveraging a race condition with __dm_destroy during creation and removal of DM devices.

CVSS Metrics

  • v3.0MEDIUMScore: 4.7CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
  • v2.0LOWScore: 1.9AV:L/AC:M/Au:N/C:N/I:N/A:P

EPSS Trends

Current EPSS score: 0.32% Percentile: 25%

Techniques & Countermeasures

  • CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

    The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.

Affected Systems

  • debianlinux

    < 4.14.7-1 | < 4.14.7-1 | < 4.14.7-1 | < 4.14.7-1

  • ubuntulinux

    < 3.13.0-149.199 | < 4.4.0-119.143

  • ubuntulinux-aws

    < 4.4.0-1016.16 | < 4.4.0-1054.63

  • ubuntulinux-azure

    < 4.13.0-1018.21

  • ubuntulinux-azure-6.11

    all

  • ubuntulinux-azure-fde

    all

  • ubuntulinux-azure-fde-5.15

    all

  • ubuntulinux-fips

    < 4.4.0-1008.10

  • ubuntulinux-gcp

    < 4.13.0-1017.21

  • ubuntulinux-gcp-6.11

    all

  • ubuntulinux-gke

    all

  • ubuntulinux-hwe

    < 4.13.0-43.48~16.04.1

  • ubuntulinux-hwe-6.11

    all

  • ubuntulinux-intel-iot-realtime

    all

  • ubuntulinux-kvm

    < 4.4.0-1020.25

  • ubuntulinux-lowlatency-hwe-6.11

    all

  • ubuntulinux-lts-xenial

    < 4.4.0-119.143~14.04.1

  • ubuntulinux-oem

    < 4.13.0-1028.31

  • ubuntulinux-raspi-realtime

    all

  • ubuntulinux-raspi2

    < 4.4.0-1086.94 | all

  • ubuntulinux-realtime

    all

  • ubuntulinux-riscv

    all | all

  • ubuntulinux-snapdragon

    < 4.4.0-1088.93

  • linuxlinux_kernel

    < 4.14.3

References (27)