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UBUNTU-CVE-2021-3659 Moderate

UBUNTU-CVE-2021-3659

A NULL pointer dereference flaw was found in the Linux kernel’s IEEE 802.15.4 wireless networking subsystem in the way the user closes the LR-WPAN connection. This flaw allows a local user to crash the system. The highest threat from this vulnerability is to system availability.

Exploit probability Not scored
Published August 22, 2022
Required by Not available
Last source change August 17, 2026

02 / AFFECTED SOFTWARE

Affected packages

Ubuntu:18.04:LTS linux-oem

50 explicit affected versions

Ubuntu:18.04:LTS linux-aws-5.0

6 explicit affected versions

Ubuntu:20.04:LTS linux-raspi2

6 explicit affected versions

Ubuntu:18.04:LTS linux-aws

65 explicit affected versions

Ubuntu:20.04:LTS linux-kvm

26 explicit affected versions

Ubuntu:18.04:LTS linux-oracle

45 explicit affected versions

Ubuntu:Pro:FIPS-updates:18.04:LTS linux-azure-fips

18 explicit affected versions

Ubuntu:18.04:LTS linux

75 explicit affected versions

Ubuntu:20.04:LTS linux-aws-5.8

1 explicit affected versions

Ubuntu:16.04:LTS linux-hwe-edge

23 explicit affected versions

Ubuntu:Pro:16.04:LTS linux-kvm

83 explicit affected versions

Ubuntu:Pro:FIPS:18.04:LTS linux-gcp-fips

1 explicit affected versions

Ubuntu:24.04:LTS linux-raspi-realtime

1 explicit affected versions

Ubuntu:20.04:LTS linux-hwe-5.8

19 explicit affected versions

Ubuntu:Pro:FIPS-updates:20.04:LTS linux-aws-fips

1 explicit affected versions

Ubuntu:18.04:LTS linux-oracle-5.0

7 explicit affected versions

Ubuntu:20.04:LTS linux-riscv

12 explicit affected versions

Ubuntu:22.04:LTS linux-intel-iot-realtime

1 explicit affected versions

Ubuntu:20.04:LTS linux-gcp

28 explicit affected versions

Ubuntu:20.04:LTS linux

36 explicit affected versions

Ubuntu:20.04:LTS linux-azure

27 explicit affected versions

Ubuntu:18.04:LTS linux-gcp-4.15

20 explicit affected versions

Ubuntu:18.04:LTS linux-hwe-edge

10 explicit affected versions

Ubuntu:Pro:16.04:LTS linux

149 explicit affected versions

Ubuntu:18.04:LTS linux-gke-5.4

13 explicit affected versions

Ubuntu:Pro:14.04:LTS linux-aws

82 explicit affected versions

Ubuntu:18.04:LTS linux-snapdragon

42 explicit affected versions

Ubuntu:Pro:FIPS:20.04:LTS linux-aws-fips

1 explicit affected versions

Ubuntu:20.04:LTS linux-oem-5.10

10 explicit affected versions

Ubuntu:Pro:FIPS:18.04:LTS linux-fips

1 explicit affected versions

Ubuntu:20.04:LTS linux-oem-5.6

29 explicit affected versions

Ubuntu:18.04:LTS linux-gcp-5.3

13 explicit affected versions

Ubuntu:18.04:LTS linux-kvm

59 explicit affected versions

Ubuntu:Pro:FIPS:18.04:LTS linux-azure-fips

1 explicit affected versions

Ubuntu:20.04:LTS linux-aws

31 explicit affected versions

Ubuntu:18.04:LTS linux-gke-4.15

33 explicit affected versions

Ubuntu:18.04:LTS linux-aws-5.3

10 explicit affected versions

Ubuntu:Pro:16.04:LTS linux-aws-hwe

44 explicit affected versions

Ubuntu:Nvidia-BlueField:24.04:LTS linux-bluefield

11 explicit affected versions

Ubuntu:Pro:16.04:LTS linux-gcp

67 explicit affected versions

Ubuntu:20.04:LTS linux-azure-5.8

1 explicit affected versions

Ubuntu:20.04:LTS linux-oracle

28 explicit affected versions

Ubuntu:Pro:FIPS:16.04:LTS linux-fips

2 explicit affected versions

Ubuntu:18.04:LTS linux-raspi2

62 explicit affected versions

Ubuntu:18.04:LTS linux-hwe-5.4

24 explicit affected versions

Ubuntu:Pro:FIPS:20.04:LTS linux-azure-fips

1 explicit affected versions

Ubuntu:20.04:LTS linux-gke

8 explicit affected versions

Ubuntu:18.04:LTS linux-azure-4.15

21 explicit affected versions

Ubuntu:Pro:FIPS:18.04:LTS linux-aws-fips

1 explicit affected versions

Ubuntu:Pro:FIPS:20.04:LTS linux-fips

1 explicit affected versions

Ubuntu:Pro:FIPS-updates:18.04:LTS linux-fips

24 explicit affected versions

Ubuntu:20.04:LTS linux-oracle-5.8

1 explicit affected versions

Ubuntu:18.04:LTS linux-gcp-5.4

18 explicit affected versions

Ubuntu:Pro:FIPS:20.04:LTS linux-gcp-fips

1 explicit affected versions

Ubuntu:18.04:LTS linux-aws-5.4

19 explicit affected versions

Ubuntu:Pro:FIPS-updates:20.04:LTS linux-azure-fips

1 explicit affected versions

Ubuntu:Pro:FIPS-updates:18.04:LTS linux-aws-fips

21 explicit affected versions

Ubuntu:20.04:LTS linux-riscv-5.8

9 explicit affected versions

Ubuntu:18.04:LTS linux-raspi-5.4

17 explicit affected versions

Ubuntu:18.04:LTS linux-azure

44 explicit affected versions

Ubuntu:18.04:LTS linux-azure-5.3

16 explicit affected versions

Ubuntu:18.04:LTS linux-gkeop-5.4

13 explicit affected versions

Ubuntu:18.04:LTS linux-gcp

38 explicit affected versions

Ubuntu:18.04:LTS linux-oracle-5.3

9 explicit affected versions

Ubuntu:Pro:14.04:LTS linux-lts-xenial

126 explicit affected versions

Ubuntu:18.04:LTS linux-oracle-5.4

18 explicit affected versions

Ubuntu:Pro:FIPS:16.04:LTS linux-fips

61 explicit affected versions

Ubuntu:20.04:LTS linux-bluefield

2 explicit affected versions

Ubuntu:Pro:16.04:LTS linux-azure

75 explicit affected versions

Ubuntu:Pro:14.04:LTS linux-azure

52 explicit affected versions

Ubuntu:20.04:LTS linux-gcp-5.8

1 explicit affected versions

Ubuntu:18.04:LTS linux-dell300x

12 explicit affected versions

Ubuntu:Pro:16.04:LTS linux-oracle

43 explicit affected versions

Ubuntu:18.04:LTS linux-azure-5.4

17 explicit affected versions

Ubuntu:18.04:LTS linux-hwe

43 explicit affected versions

Ubuntu:Pro:FIPS-updates:20.04:LTS linux-gcp-fips

1 explicit affected versions

Ubuntu:Pro:16.04:LTS linux-aws

105 explicit affected versions

Ubuntu:Pro:16.04:LTS linux-hwe

90 explicit affected versions

Ubuntu:18.04:LTS linux-gcp-edge

12 explicit affected versions

Ubuntu:20.04:LTS linux-raspi

21 explicit affected versions

Ubuntu:18.04:LTS linux-azure-edge

4 explicit affected versions

Ubuntu:20.04:LTS linux-gkeop

8 explicit affected versions

Ubuntu:22.04:LTS linux-realtime

1 explicit affected versions

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities UBUNTU-CVE-2021-3659

A NULL pointer dereference flaw was found in the Linux kernel’s IEEE 802.15.4 wireless networking subsystem in the way the user closes the LR-WPAN connection. This flaw allows a local user to crash the system. The highest threat from this vulnerability is to system availability.

View original source

05 / REFERENCES

Further evidence