CVE-2020-36386

Aliases:UBUNTU-CVE-2020-36386DEBIAN-CVE-2020-36386
Advisory lineage Upstream: 0 Downstream: 24
Modified
Published: 07 Jun 2021, 19:20
Last modified:04 Aug 2024, 17:23

Vulnerability Summary

Overall Risk (default)
medium
39/100
CVSS Score
7.1 HIGH
v3.1 (nvd)
EPSS Score
0.55% LOW
1% probability +0.32%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected

Timeline

07 Jun 2021, 19:20
Published
Vulnerability first disclosed
04 Aug 2024, 17:23
Last Modified
Vulnerability information updated

Description

An issue was discovered in the Linux kernel before 5.8.1. net/bluetooth/hci_event.c has a slab out-of-bounds read in hci_extended_inquiry_result_evt, aka CID-51c19bf3d5cf.

CVSS Metrics

  • v3.1•HIGH•Score: 7.1CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
  • v2.0•MEDIUM•Score: 5.6AV:L/AC:L/Au:N/C:P/I:N/A:C

EPSS Trends

Current EPSS score: 0.55%• Percentile: 45%

Techniques & Countermeasures

  • CWE-125•Out-of-bounds Read

    The product reads data past the end, or before the beginning, of the intended buffer.

Affected Systems

  • debian•linux

    < 5.7.17-1 | < 5.7.17-1 | < 5.7.17-1 | < 5.7.17-1

  • ubuntu•linux

    all | < 4.4.0-190.220 | < 4.15.0-118.119 | < 5.4.0-48.52

  • ubuntu•linux-aws

    < 4.4.0-1078.82 | < 4.4.0-1114.127 | < 4.15.0-1083.87 | < 5.4.0-1025.25

  • ubuntu•linux-aws-5.0

    all

  • ubuntu•linux-aws-5.3

    all

  • ubuntu•linux-aws-5.4

    < 5.4.0-1025.25~18.04.1

  • ubuntu•linux-aws-fips

    < 4.15.0-2027.27 | all | < 5.4.0-1069.73+fips2

  • ubuntu•linux-aws-hwe

    < 4.15.0-1083.87~16.04.1

  • ubuntu•linux-azure

    < 4.15.0-1096.106~14.04.1 | < 4.15.0-1096.106~16.04.1 | all | < 5.4.0-1026.26

  • ubuntu•linux-azure-4.15

    < 4.15.0-1096.106

  • ubuntu•linux-azure-5.3

    all

  • ubuntu•linux-azure-5.4

    < 5.4.0-1026.26~18.04.1

  • ubuntu•linux-azure-edge

    all

  • ubuntu•linux-azure-fips

    < 4.15.0-2009.10 | all | < 5.4.0-1073.76+fips1

  • ubuntu•linux-bluefield

    all

  • ubuntu•linux-fips

    < 4.4.0-1046.51 | all | < 4.15.0-1041.46

  • ubuntu•linux-gcp

    < 4.15.0-1084.95~16.04.1 | all | < 5.4.0-1025.25

  • ubuntu•linux-gcp-4.15

    < 4.15.0-1084.95

  • ubuntu•linux-gcp-5.3

    all

  • ubuntu•linux-gcp-5.4

    < 5.4.0-1025.25~18.04.1

  • ubuntu•linux-gcp-edge

    all

  • ubuntu•linux-gcp-fips

    all | < 5.4.0-1067.71~20.04.1

  • ubuntu•linux-gke-4.15

    all

  • ubuntu•linux-hwe

    < 4.15.0-118.119~16.04.1 | all

  • ubuntu•linux-hwe-5.4

    < 5.4.0-48.52~18.04.1

  • ubuntu•linux-hwe-edge

    all | all

  • ubuntu•linux-intel-iot-realtime

    all

  • ubuntu•linux-kvm

    < 4.4.0-1080.87 | < 4.15.0-1075.76 | < 5.4.0-1024.24

  • ubuntu•linux-lts-xenial

    < 4.4.0-190.220~14.04.1

  • ubuntu•linux-oem

    all

  • ubuntu•linux-oem-5.6

    all

  • ubuntu•linux-oracle

    < 4.15.0-1054.58~16.04.1 | < 4.15.0-1054.58 | < 5.4.0-1025.25

  • ubuntu•linux-oracle-5.0

    all

  • ubuntu•linux-oracle-5.3

    all

  • ubuntu•linux-oracle-5.4

    < 5.4.0-1025.25~18.04.1

  • ubuntu•linux-raspi

    < 5.4.0-1019.21

  • ubuntu•linux-raspi-5.4

    < 5.4.0-1019.21~18.04.1

  • ubuntu•linux-raspi-realtime

    all

  • ubuntu•linux-raspi2

    < 4.15.0-1071.75 | all

  • ubuntu•linux-realtime

    all

  • ubuntu•linux-riscv

    all

  • ubuntu•linux-snapdragon

    < 4.15.0-1087.95

  • linux•linux_kernel

    < 5.8.1

References (9)