CVE-2021-32399

Aliases:RHSA-2021:3392UBUNTU-CVE-2021-32399DEBIAN-CVE-2021-32399
Advisory lineage Upstream: 0 Downstream: 62
Modified
Published: 10 May 2021, 21:19
Last modified:03 Aug 2024, 23:17

Vulnerability Summary

Overall Risk (default)
medium
38/100
CVSS Score
7 HIGH
v3.1 (nvd)
EPSS Score
0.69% LOW
1% probability +0.63%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected

Timeline

10 May 2021, 21:19
Published
Vulnerability first disclosed
03 Aug 2024, 23:17
Last Modified
Vulnerability information updated

Description

net/bluetooth/hci_request.c in the Linux kernel through 5.12.2 has a race condition for removal of the HCI controller.

CVSS Metrics

  • v3.1•HIGH•Score: 7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • v2.0•MEDIUM•Score: 4.4AV:L/AC:M/Au:N/C:P/I:P/A:P

EPSS Trends

Current EPSS score: 0.69%• Percentile: 51%

Techniques & Countermeasures

  • CWE-362•Concurrent 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

  • debian•linux

    < 5.10.38-1 | < 5.10.38-1 | < 5.10.38-1 | < 5.10.38-1

  • ubuntu•linux

    all | < 4.4.0-222.255 | < 4.15.0-151.157 | < 5.4.0-77.86

  • ubuntu•linux-aws

    < 4.4.0-1102.107 | < 4.4.0-1138.152 | < 4.15.0-1109.116 | < 5.4.0-1051.53

  • ubuntu•linux-aws-5.0

    all

  • ubuntu•linux-aws-5.3

    all

  • ubuntu•linux-aws-5.4

    < 5.4.0-1051.53~18.04.1

  • ubuntu•linux-aws-5.8

    < 5.8.0-1041.43~20.04.1

  • ubuntu•linux-aws-fips

    < 4.15.0-2051.53 | all | < 5.4.0-1069.73+fips2

  • ubuntu•linux-aws-hwe

    < 4.15.0-1109.116~16.04.1

  • ubuntu•linux-azure

    < 4.15.0-1121.134~14.04.1 | < 4.15.0-1121.134~16.04.1 | all | < 5.4.0-1051.53

  • ubuntu•linux-azure-4.15

    < 4.15.0-1121.134

  • ubuntu•linux-azure-5.3

    all

  • ubuntu•linux-azure-5.4

    < 5.4.0-1051.53~18.04.1

  • ubuntu•linux-azure-5.8

    < 5.8.0-1039.42~20.04.1

  • ubuntu•linux-azure-edge

    all

  • ubuntu•linux-azure-fde-5.15

    < 5.15.0-1114.123~20.04.1

  • ubuntu•linux-azure-fips

    < 4.15.0-2033.37 | all | < 5.4.0-1073.76+fips1

  • ubuntu•linux-bluefield

    all | < 5.4.0-1013.16

  • ubuntu•linux-dell300x

    < 4.15.0-1027.32

  • ubuntu•linux-fips

    < 4.4.0-1072.78 | all | < 4.15.0-1066.75 | < 5.4.0-1028.32

  • ubuntu•linux-gcp

    < 4.15.0-1106.120~16.04.1 | all | < 5.4.0-1046.49

  • ubuntu•linux-gcp-4.15

    < 4.15.0-1106.120

  • ubuntu•linux-gcp-5.3

    all

  • ubuntu•linux-gcp-5.4

    < 5.4.0-1046.49~18.04.1

  • ubuntu•linux-gcp-5.8

    < 5.8.0-1038.40~20.04.1

  • ubuntu•linux-gcp-edge

    all

  • ubuntu•linux-gcp-fips

    < 4.15.0-2016.18 | all | < 5.4.0-1067.71~20.04.1

  • ubuntu•linux-gke

    < 5.4.0-1046.48

  • ubuntu•linux-gke-4.15

    all

  • ubuntu•linux-gke-5.4

    < 5.4.0-1046.48~18.04.1

  • ubuntu•linux-gkeop

    < 5.4.0-1018.19

  • ubuntu•linux-gkeop-5.4

    < 5.4.0-1018.19~18.04.1

  • ubuntu•linux-hwe

    < 4.15.0-151.157~16.04.1 | all

  • ubuntu•linux-hwe-5.4

    < 5.4.0-77.86~18.04.1

  • ubuntu•linux-hwe-5.8

    < 5.8.0-63.71~20.04.1

  • ubuntu•linux-hwe-edge

    all | all

  • ubuntu•linux-intel-iot-realtime

    all

  • ubuntu•linux-kvm

    < 4.4.0-1103.112 | < 4.15.0-1097.99 | < 5.4.0-1041.42

  • ubuntu•linux-lts-xenial

    < 4.4.0-222.255~14.04.1

  • ubuntu•linux-oem

    all

  • ubuntu•linux-oem-5.10

    < 5.10.0-1032.33

  • ubuntu•linux-oem-5.6

    all

  • ubuntu•linux-oracle

    < 4.15.0-1078.86~16.04.1 | < 4.15.0-1078.86 | < 5.4.0-1048.52

  • ubuntu•linux-oracle-5.0

    all

  • ubuntu•linux-oracle-5.3

    all

  • ubuntu•linux-oracle-5.4

    < 5.4.0-1048.52~18.04.1

  • ubuntu•linux-oracle-5.8

    < 5.8.0-1037.38~20.04.1

  • ubuntu•linux-raspi

    < 5.4.0-1038.41

  • ubuntu•linux-raspi-5.4

    < 5.4.0-1038.41~18.04.1

  • ubuntu•linux-raspi-realtime

    all

Showing first 50 affected entries in server-rendered view.

References (24)