CVE-2021-3612

Aliases:UBUNTU-CVE-2021-3612DEBIAN-CVE-2021-3612
Advisory lineage Upstream: 0 Downstream: 30
Modified
Published: 09 Jul 2021, 10:33
Last modified:03 Aug 2024, 17:01

Vulnerability Summary

Overall Risk (default)
medium
31/100
CVSS Score
7.8 HIGH
v3.1 (nvd)
EPSS Score
0.69% LOW
1% probability +0.61%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

09 Jul 2021, 10:33
Published
Vulnerability first disclosed
03 Aug 2024, 17:01
Last Modified
Vulnerability information updated

Description

An out-of-bounds memory write flaw was found in the Linux kernel's joystick devices subsystem in versions before 5.9-rc1, in the way the user calls ioctl JSIOCSBTNMAP. This flaw allows a local user to crash the system or possibly escalate their privileges on the system. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

CVSS Metrics

  • v3.1•HIGH•Score: 7.8CVSS:3.1/AV:L/AC:L/PR:L/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: 0.69%• Percentile: 51%

Techniques & Countermeasures

  • CWE-20•Improper Input Validation

    The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

  • CWE-787•Out-of-bounds Write

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

Affected Systems

  • debian•linux

    < 5.10.46-3 | < 5.10.46-3 | < 5.10.46-3 | < 5.10.46-3

  • ubuntu•linux

    all | < 4.4.0-219.252 | < 4.15.0-156.163 | < 5.4.0-84.94

  • ubuntu•linux-aws

    < 4.4.0-1099.104 | < 4.4.0-1135.149 | < 4.15.0-1111.118 | < 5.4.0-1056.59

  • ubuntu•linux-aws-5.0

    all

  • ubuntu•linux-aws-5.11

    < 5.11.0-1017.18~20.04.1

  • ubuntu•linux-aws-5.3

    all

  • ubuntu•linux-aws-5.4

    < 5.4.0-1056.59~18.04.1

  • ubuntu•linux-aws-5.8

    all

  • ubuntu•linux-aws-fips

    < 4.15.0-2053.55 | all | < 5.4.0-1069.73+fips2

  • ubuntu•linux-aws-hwe

    < 4.15.0-1111.118~16.04.1

  • ubuntu•linux-azure

    < 4.15.0-1123.136~14.04.1 | < 4.15.0-1123.136~16.04.1 | all | < 5.4.0-1058.60

  • ubuntu•linux-azure-4.15

    < 4.15.0-1123.136

  • ubuntu•linux-azure-5.11

    < 5.11.0-1015.16~20.04.1

  • ubuntu•linux-azure-5.3

    all

  • ubuntu•linux-azure-5.4

    < 5.4.0-1058.60~18.04.1

  • ubuntu•linux-azure-5.8

    < 5.8.0-1043.46~20.04.1

  • ubuntu•linux-azure-edge

    all

  • ubuntu•linux-azure-fips

    < 4.15.0-2035.39 | all | < 5.4.0-1073.76+fips1

  • ubuntu•linux-bluefield

    all | < 5.4.0-1019.22

  • ubuntu•linux-dell300x

    < 4.15.0-1027.32

  • ubuntu•linux-fips

    < 4.4.0-1069.75 | all | < 4.15.0-1069.78 | < 5.4.0-1033.38

  • ubuntu•linux-gcp

    < 4.15.0-1108.122~16.04.1 | all | < 5.4.0-1052.56

  • ubuntu•linux-gcp-4.15

    < 4.15.0-1108.122

  • ubuntu•linux-gcp-5.11

    < 5.11.0-1018.20~20.04.2

  • ubuntu•linux-gcp-5.3

    all

  • ubuntu•linux-gcp-5.4

    < 5.4.0-1052.56~18.04.1

  • ubuntu•linux-gcp-5.8

    all

  • ubuntu•linux-gcp-edge

    all

  • ubuntu•linux-gcp-fips

    < 4.15.0-2018.20 | all | < 5.4.0-1067.71~20.04.1

  • ubuntu•linux-gke

    < 5.4.0-1052.55

  • ubuntu•linux-gke-4.15

    all

  • ubuntu•linux-gke-5.4

    < 5.4.0-1052.55~18.04.1

  • ubuntu•linux-gkeop

    < 5.4.0-1023.24

  • ubuntu•linux-gkeop-5.4

    < 5.4.0-1023.24~18.04.1

  • ubuntu•linux-hwe

    < 4.15.0-156.163~16.04.1 | all

  • ubuntu•linux-hwe-5.11

    < 5.11.0-34.36~20.04.1

  • ubuntu•linux-hwe-5.4

    < 5.4.0-84.94~18.04.1

  • ubuntu•linux-hwe-5.8

    all

  • ubuntu•linux-hwe-edge

    all | all

  • ubuntu•linux-intel-iot-realtime

    all

  • ubuntu•linux-kvm

    < 4.4.0-1100.109 | < 4.15.0-1099.101 | < 5.4.0-1046.48

  • ubuntu•linux-lts-xenial

    < 4.4.0-219.252~14.04.1

  • ubuntu•linux-oem

    all

  • ubuntu•linux-oem-5.10

    < 5.10.0-1049.51

  • ubuntu•linux-oem-5.13

    < 5.13.0-1014.18

  • ubuntu•linux-oem-5.6

    all

  • ubuntu•linux-oracle

    < 4.15.0-1080.88~16.04.1 | < 4.15.0-1080.88 | < 5.4.0-1054.58

  • ubuntu•linux-oracle-5.0

    all

  • ubuntu•linux-oracle-5.11

    < 5.11.0-1017.18~20.04.1

  • ubuntu•linux-oracle-5.3

    all

Showing first 50 affected entries in server-rendered view.

References (23)