CVE-2018-20169

Aliases:UBUNTU-CVE-2018-20169DEBIAN-CVE-2018-20169
Advisory lineage Upstream: 0 Downstream: 28
Modified
Published: 17 Dec 2018, 06:00
Last modified:05 Aug 2024, 11:51

Vulnerability Summary

Overall Risk (default)
medium
29/100
CVSS Score
7.2 HIGH
v2.0 (nvd)
EPSS Score
0.59% LOW
1% probability +0.47%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

17 Dec 2018, 06:00
Published
Vulnerability first disclosed
05 Aug 2024, 11:51
Last Modified
Vulnerability information updated

Description

An issue was discovered in the Linux kernel before 4.19.9. The USB subsystem mishandles size checks during the reading of an extra descriptor, related to __usb_get_extra_descriptor in drivers/usb/core/usb.c.

CVSS Metrics

  • v3.1•MEDIUM•Score: 6.8CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/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: 0.59%• Percentile: 47%

Techniques & Countermeasures

  • CWE-400•Uncontrolled Resource Consumption

    The product does not properly control the allocation and maintenance of a limited resource.

Affected Systems

  • canonical•ubuntu_linux

    14.04 | 16.04

  • debian•linux

    < 4.19.9-1 | < 4.19.9-1 | < 4.19.9-1 | < 4.19.9-1

  • ubuntu•linux

    all | < 4.4.0-142.168 | < 4.15.0-58.64

  • ubuntu•linux-aws

    < 4.4.0-1038.41 | < 4.4.0-1075.85 | < 4.15.0-1047.49

  • ubuntu•linux-aws-fips

    < 4.15.0-2018.18 | all

  • ubuntu•linux-aws-hwe

    < 4.15.0-1047.49~16.04.1

  • ubuntu•linux-azure

    < 4.15.0-1059.64~14.04.1 | < 4.15.0-1055.60 | < 5.0.0-1014.14~18.04.1

  • ubuntu•linux-azure-fde

    all

  • ubuntu•linux-azure-fips

    < 4.15.0-2006.7 | all

  • ubuntu•linux-bluefield

    all

  • ubuntu•linux-fips

    < 4.4.0-1008.10

  • ubuntu•linux-gcp

    < 4.15.0-1040.42~16.04.1 | < 4.15.0-1040.42

  • ubuntu•linux-gcp-fips

    all

  • ubuntu•linux-gke

    all

  • ubuntu•linux-gke-4.15

    < 4.15.0-1040.42

  • ubuntu•linux-hwe

    < 4.15.0-58.64~16.04.1 | < 5.0.0-23.24~18.04.1

  • ubuntu•linux-intel-iot-realtime

    all

  • ubuntu•linux-kvm

    < 4.4.0-1040.46 | < 4.15.0-1042.42

  • ubuntu•linux-lts-xenial

    < 4.4.0-142.168~14.04.1

  • ubuntu•linux-oem

    < 4.15.0-1050.57

  • ubuntu•linux-oracle

    < 4.15.0-1021.23~16.04.1 | < 4.15.0-1021.23

  • ubuntu•linux-raspi-realtime

    all

  • ubuntu•linux-raspi2

    < 4.4.0-1103.111 | < 4.15.0-1043.46 | all

  • ubuntu•linux-realtime

    all

  • ubuntu•linux-riscv

    all | all

  • ubuntu•linux-snapdragon

    < 4.4.0-1107.112 | < 4.15.0-1060.66

  • debian•debian_linux

    8.0

  • linux•linux_kernel

    < 3.16.63 | ≥ 3.17, < 3.18.129 | ≥ 3.19, < 4.4.167 | ≥ 4.5, < 4.9.145 | ≥ 4.10, < 4.14.88 | ≥ 4.15, < 4.19.9

References (20)