CWE
476 252
Advisory Published
Updated

CVE-2021-3659: Null Pointer Dereference

First published: Tue Apr 06 2021(Updated: )

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.

Credit: secalert@redhat.com secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
redhat/kernel-rt<0:4.18.0-348.rt7.130.el8
0:4.18.0-348.rt7.130.el8
redhat/kernel<0:4.18.0-348.el8
0:4.18.0-348.el8
Linux Linux kernel<5.12
Fedoraproject Fedora=34
Redhat Enterprise Linux=7.0
Redhat Enterprise Linux=8.0
Redhat Enterprise Linux For Ibm Z Systems=8.0
Redhat Enterprise Linux For Ibm Z Systems Eus=8.6
Redhat Enterprise Linux For Power Little Endian Eus=8.6
Redhat Enterprise Linux For Real Time=8.0
Redhat Enterprise Linux For Real Time For Nfv=8.0
Redhat Enterprise Linux For Real Time For Nfv Tus=8.6
Redhat Enterprise Linux For Real Time Tus=8.6
Redhat Enterprise Linux Server Aus=8.6
Redhat Enterprise Linux Server Eus=8.6
Redhat Enterprise Linux Server Tus=8.6
Redhat Codeready Linux Builder
Redhat Enterprise Linux=8.0
Redhat Enterprise Linux Eus=8.6
Redhat Enterprise Linux For Power Little Endian=8.0
Redhat Enterprise Linux For Power Little Endian Eus=8.6
Redhat Virtualization Host=4.0
All of
Any of
Redhat Enterprise Linux=8.0
Redhat Enterprise Linux Eus=8.6
Redhat Enterprise Linux For Power Little Endian=8.0
Redhat Enterprise Linux For Power Little Endian Eus=8.6
Redhat Codeready Linux Builder
All of
Redhat Enterprise Linux=8.0
Redhat Virtualization Host=4.0
redhat/Kernel<5.12
5.12
ubuntu/linux<4.15.0-144.148
4.15.0-144.148
ubuntu/linux<5.4.0-74.83
5.4.0-74.83
ubuntu/linux<5.11.0-18.19
5.11.0-18.19
ubuntu/linux<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux<4.4.0-239.273
4.4.0-239.273
ubuntu/linux-aws<4.15.0-1103.110
4.15.0-1103.110
ubuntu/linux-aws<5.4.0-1049.51
5.4.0-1049.51
ubuntu/linux-aws<5.11.0-1008.8
5.11.0-1008.8
ubuntu/linux-aws<4.4.0-1117.123
4.4.0-1117.123
ubuntu/linux-aws<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-aws<4.4.0-1155.170
4.4.0-1155.170
ubuntu/linux-aws-5.0<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-aws-5.11<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-aws-5.13<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-aws-5.15<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-aws-5.3<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-aws-5.4<5.4.0-1049.51~18.04.1
5.4.0-1049.51~18.04.1
ubuntu/linux-aws-5.4<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-aws-5.8<5.8.0-1038.40~20.04.1
5.8.0-1038.40~20.04.1
ubuntu/linux-aws-5.8<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-aws-6.5<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-aws-fips<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-aws-hwe<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-aws-hwe<4.15.0-1103.110~16.04.1
4.15.0-1103.110~16.04.1
ubuntu/linux-azure<5.4.0-1048.50
5.4.0-1048.50
ubuntu/linux-azure<5.11.0-1006.6
5.11.0-1006.6
ubuntu/linux-azure<4.15.0-1115.128~14.04.1
4.15.0-1115.128~14.04.1
ubuntu/linux-azure<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-azure<4.15.0-1115.128~16.04.1
4.15.0-1115.128~16.04.1
ubuntu/linux-azure-4.15<4.15.0-1115.128
4.15.0-1115.128
ubuntu/linux-azure-4.15<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-azure-5.11<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-azure-5.13<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-azure-5.15<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-azure-5.3<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-azure-5.4<5.4.0-1048.50~18.04.1
5.4.0-1048.50~18.04.1
ubuntu/linux-azure-5.4<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-azure-5.8<5.8.0-1036.38~20.04.1
5.8.0-1036.38~20.04.1
ubuntu/linux-azure-6.5<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-azure-edge<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-azure-fde<5.4.0-1048.50
5.4.0-1048.50
ubuntu/linux-azure-fde<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-azure-fde-5.15<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-azure-fips<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-bluefield<5.4.0-1012.15
5.4.0-1012.15
ubuntu/linux-bluefield<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-dell300x<4.15.0-1022.26
4.15.0-1022.26
ubuntu/linux-dell300x<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-fips<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-gcp<5.4.0-1044.47
5.4.0-1044.47
ubuntu/linux-gcp<5.11.0-1008.9
5.11.0-1008.9
ubuntu/linux-gcp<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-gcp<4.15.0-1100.113~16.04.1
4.15.0-1100.113~16.04.1
ubuntu/linux-gcp-4.15<4.15.0-1100.113
4.15.0-1100.113
ubuntu/linux-gcp-4.15<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-gcp-5.11<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-gcp-5.13<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-gcp-5.15<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-gcp-5.3<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-gcp-5.4<5.4.0-1044.47~18.04.2
5.4.0-1044.47~18.04.2
ubuntu/linux-gcp-5.8<5.8.0-1035.37~20.04.1
5.8.0-1035.37~20.04.1
ubuntu/linux-gcp-5.8<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-gcp-6.5<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-gcp-edge<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-gcp-fips<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-gke<5.4.0-1044.46
5.4.0-1044.46
ubuntu/linux-gke<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-gke-4.15<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-gke-5.0<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-gke-5.15<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-gke-5.3<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-gke-5.4<5.4.0-1044.46~18.04.1
5.4.0-1044.46~18.04.1
ubuntu/linux-gke-5.4<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-gkeop<5.4.0-1016.17
5.4.0-1016.17
ubuntu/linux-gkeop<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-gkeop-5.15<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-gkeop-5.4<5.4.0-1016.17~18.04.1
5.4.0-1016.17~18.04.1
ubuntu/linux-gkeop-5.4<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-hwe<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-hwe<4.15.0-144.148~16.04.1
4.15.0-144.148~16.04.1
ubuntu/linux-hwe-5.11<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-hwe-5.13<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-hwe-5.15<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-hwe-5.4<5.4.0-74.83~18.04.1
5.4.0-74.83~18.04.1
ubuntu/linux-hwe-5.4<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-hwe-5.8<5.8.0-59.66~20.04.1
5.8.0-59.66~20.04.1
ubuntu/linux-hwe-5.8<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-hwe-6.5<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-hwe-edge<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-ibm<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-ibm-5.15<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-ibm-5.4<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-intel<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-intel-5.13<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-intel-iotg<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-intel-iotg-5.15<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-iot<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-kvm<4.15.0-1092.94
4.15.0-1092.94
ubuntu/linux-kvm<5.4.0-1040.41
5.4.0-1040.41
ubuntu/linux-kvm<5.11.0-1008.8
5.11.0-1008.8
ubuntu/linux-kvm<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-kvm<4.4.0-1118.128
4.4.0-1118.128
ubuntu/linux-laptop<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-lowlatency<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-lowlatency-hwe-5.15<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-lowlatency-hwe-5.19<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-lowlatency-hwe-6.5<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-lts-xenial<4.4.0-239.273~14.04.1
4.4.0-239.273~14.04.1
ubuntu/linux-lts-xenial<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-nvidia<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-nvidia-6.5<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-oem<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-oem-5.10<5.10.0-1025.26
5.10.0-1025.26
ubuntu/linux-oem-5.10<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-oem-5.13<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-oem-5.17<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-oem-5.6<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-oem-6.0<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-oem-6.1<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-oem-6.5<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-oem-6.8<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-oem-osp1<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-oracle<4.15.0-1072.80
4.15.0-1072.80
ubuntu/linux-oracle<5.4.0-1046.50
5.4.0-1046.50
ubuntu/linux-oracle<5.11.0-1007.7
5.11.0-1007.7
ubuntu/linux-oracle<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-oracle<4.15.0-1072.80~16.04.1
4.15.0-1072.80~16.04.1
ubuntu/linux-oracle-5.0<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-oracle-5.11<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-oracle-5.13<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-oracle-5.15<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-oracle-5.3<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-oracle-5.4<5.4.0-1046.50~18.04.2
5.4.0-1046.50~18.04.2
ubuntu/linux-oracle-5.8<5.8.0-1033.34~20.04.1
5.8.0-1033.34~20.04.1
ubuntu/linux-oracle-6.5<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-raspi<5.4.0-1036.39
5.4.0-1036.39
ubuntu/linux-raspi<5.11.0-1009.10
5.11.0-1009.10
ubuntu/linux-raspi<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-raspi-5.4<5.4.0-1036.39~18.04.1
5.4.0-1036.39~18.04.1
ubuntu/linux-raspi-5.4<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-raspi2<4.15.0-1086.91
4.15.0-1086.91
ubuntu/linux-raspi2<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-raspi2-5.3<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-riscv<5.11.0-1009.9
5.11.0-1009.9
ubuntu/linux-riscv<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-riscv-5.11<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-riscv-5.15<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-riscv-5.8<5.8.0-29.31~20.04.1
5.8.0-29.31~20.04.1
ubuntu/linux-riscv-5.8<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-riscv-6.5<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-snapdragon<4.15.0-1103.112
4.15.0-1103.112
ubuntu/linux-snapdragon<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-starfive<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-starfive-6.5<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
ubuntu/linux-xilinx-zynqmp<5.12~<4.4.267<5.4.112
5.12~
4.4.267
5.4.112
debian/linux
5.10.218-1
5.10.221-1
6.1.94-1
6.1.99-1
6.9.8-1
6.9.9-1

Remedy

To mitigate this issue, prevent the module mac802154 from being loaded. Please see https://access.redhat.com/solutions/41278 for information on how to blacklist a kernel module to prevent it from loading automatically.

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Parent vulnerabilities

(Appears in the following advisories)

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