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 Software | Affected Version | How 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 | |
| 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~ | 5.12~ |
| ubuntu/linux | <4.15.0-144.148 | 4.15.0-144.148 |
| ubuntu/linux | <4.4.0-239.273 | 4.4.0-239.273 |
| 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 | <5.12~ | 5.12~ |
| ubuntu/linux-aws | <4.15.0-1103.110 | 4.15.0-1103.110 |
| ubuntu/linux-aws | <4.4.0-1155.170 | 4.4.0-1155.170 |
| ubuntu/linux-aws | <4.4.0-1117.123 | 4.4.0-1117.123 |
| ubuntu/linux-aws-5.0 | <5.12~ | 5.12~ |
| ubuntu/linux-aws-5.11 | <5.12~ | 5.12~ |
| ubuntu/linux-aws-5.13 | <5.12~ | 5.12~ |
| ubuntu/linux-aws-5.15 | <5.12~ | 5.12~ |
| ubuntu/linux-aws-5.3 | <5.12~ | 5.12~ |
| 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~ | 5.12~ |
| 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~ | 5.12~ |
| ubuntu/linux-aws-hwe | <5.12~ | 5.12~ |
| ubuntu/linux-aws-hwe | <4.15.0-1103.110~16.04.1 | 4.15.0-1103.110~16.04.1 |
| ubuntu/linux-azure | <4.15.0-1115.128~14.04.1 | 4.15.0-1115.128~14.04.1 |
| ubuntu/linux-azure | <5.12~ | 5.12~ |
| 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 | <4.15.0-1115.128~16.04.1 | 4.15.0-1115.128~16.04.1 |
| ubuntu/linux-azure-4.15 | <5.12~ | 5.12~ |
| ubuntu/linux-azure-4.15 | <4.15.0-1115.128 | 4.15.0-1115.128 |
| ubuntu/linux-azure-5.11 | <5.12~ | 5.12~ |
| ubuntu/linux-azure-5.13 | <5.12~ | 5.12~ |
| ubuntu/linux-azure-5.15 | <5.12~ | 5.12~ |
| ubuntu/linux-azure-5.3 | <5.12~ | 5.12~ |
| ubuntu/linux-azure-5.4 | <5.12~ | 5.12~ |
| ubuntu/linux-azure-5.4 | <5.4.0-1048.50~18.04.1 | 5.4.0-1048.50~18.04.1 |
| ubuntu/linux-azure-5.8 | <5.8.0-1036.38~20.04.1 | 5.8.0-1036.38~20.04.1 |
| ubuntu/linux-azure-edge | <5.12~ | 5.12~ |
| ubuntu/linux-azure-fde | <5.12~ | 5.12~ |
| ubuntu/linux-azure-fde | <5.4.0-1048.50 | 5.4.0-1048.50 |
| ubuntu/linux-azure-fde-5.15 | <5.12~ | 5.12~ |
| ubuntu/linux-bluefield | <5.4.0-1012.15 | 5.4.0-1012.15 |
| ubuntu/linux-bluefield | <5.12~ | 5.12~ |
| ubuntu/linux-dell300x | <5.12~ | 5.12~ |
| ubuntu/linux-dell300x | <4.15.0-1022.26 | 4.15.0-1022.26 |
| ubuntu/linux-fips | <5.12~ | 5.12~ |
| ubuntu/linux-gcp | <5.12~ | 5.12~ |
| ubuntu/linux-gcp | <4.15.0-1100.113~16.04.1 | 4.15.0-1100.113~16.04.1 |
| 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-4.15 | <5.12~ | 5.12~ |
| ubuntu/linux-gcp-4.15 | <4.15.0-1100.113 | 4.15.0-1100.113 |
| ubuntu/linux-gcp-5.11 | <5.12~ | 5.12~ |
| ubuntu/linux-gcp-5.13 | <5.12~ | 5.12~ |
| ubuntu/linux-gcp-5.15 | <5.12~ | 5.12~ |
| ubuntu/linux-gcp-5.3 | <5.12~ | 5.12~ |
| 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~ | 5.12~ |
| ubuntu/linux-gcp-edge | <5.12~ | 5.12~ |
| ubuntu/linux-gke | <5.4.0-1044.46 | 5.4.0-1044.46 |
| ubuntu/linux-gke | <5.12~ | 5.12~ |
| ubuntu/linux-gke-4.15 | <5.12~ | 5.12~ |
| ubuntu/linux-gke-5.0 | <5.12~ | 5.12~ |
| ubuntu/linux-gke-5.15 | <5.12~ | 5.12~ |
| ubuntu/linux-gke-5.3 | <5.12~ | 5.12~ |
| ubuntu/linux-gke-5.4 | <5.12~ | 5.12~ |
| ubuntu/linux-gke-5.4 | <5.4.0-1044.46~18.04.1 | 5.4.0-1044.46~18.04.1 |
| ubuntu/linux-gkeop | <5.12~ | 5.12~ |
| ubuntu/linux-gkeop | <5.4.0-1016.17 | 5.4.0-1016.17 |
| ubuntu/linux-gkeop-5.4 | <5.12~ | 5.12~ |
| ubuntu/linux-gkeop-5.4 | <5.4.0-1016.17~18.04.1 | 5.4.0-1016.17~18.04.1 |
| ubuntu/linux-hwe | <5.12~ | 5.12~ |
| 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~ | 5.12~ |
| ubuntu/linux-hwe-5.13 | <5.12~ | 5.12~ |
| ubuntu/linux-hwe-5.15 | <5.12~ | 5.12~ |
| ubuntu/linux-hwe-5.4 | <5.12~ | 5.12~ |
| ubuntu/linux-hwe-5.4 | <5.4.0-74.83~18.04.1 | 5.4.0-74.83~18.04.1 |
| ubuntu/linux-hwe-5.8 | <5.12~ | 5.12~ |
| ubuntu/linux-hwe-5.8 | <5.8.0-59.66~20.04.1 | 5.8.0-59.66~20.04.1 |
| ubuntu/linux-hwe-edge | <5.12~ | 5.12~ |
| ubuntu/linux-ibm | <5.12~ | 5.12~ |
| ubuntu/linux-ibm-5.4 | <5.12~ | 5.12~ |
| ubuntu/linux-intel-5.13 | <5.12~ | 5.12~ |
| ubuntu/linux-intel-iotg | <5.12~ | 5.12~ |
| ubuntu/linux-intel-iotg-5.15 | <5.12~ | 5.12~ |
| ubuntu/linux-kvm | <5.12~ | 5.12~ |
| 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 | <4.4.0-1118.128 | 4.4.0-1118.128 |
| ubuntu/linux-lowlatency | <5.12~ | 5.12~ |
| ubuntu/linux-lowlatency-hwe-5.15 | <5.12~ | 5.12~ |
| ubuntu/linux-lowlatency-hwe-5.19 | <5.12~ | 5.12~ |
| ubuntu/linux-lts-xenial | <5.12~ | 5.12~ |
| ubuntu/linux-lts-xenial | <4.4.0-239.273~14.04.1 | 4.4.0-239.273~14.04.1 |
| ubuntu/linux-oem | <5.12~ | 5.12~ |
| ubuntu/linux-oem-5.10 | <5.10.0-1025.26 | 5.10.0-1025.26 |
| ubuntu/linux-oem-5.10 | <5.12~ | 5.12~ |
| ubuntu/linux-oem-5.13 | <5.12~ | 5.12~ |
| ubuntu/linux-oem-5.17 | <5.12~ | 5.12~ |
| ubuntu/linux-oem-5.6 | <5.12~ | 5.12~ |
| ubuntu/linux-oem-6.0 | <5.12~ | 5.12~ |
| ubuntu/linux-oem-6.1 | <5.12~ | 5.12~ |
| ubuntu/linux-oem-osp1 | <5.12~ | 5.12~ |
| 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 | <4.15.0-1072.80~16.04.1 | 4.15.0-1072.80~16.04.1 |
| ubuntu/linux-oracle | <5.12~ | 5.12~ |
| ubuntu/linux-oracle | <4.15.0-1072.80 | 4.15.0-1072.80 |
| ubuntu/linux-oracle-5.0 | <5.12~ | 5.12~ |
| ubuntu/linux-oracle-5.11 | <5.12~ | 5.12~ |
| ubuntu/linux-oracle-5.13 | <5.12~ | 5.12~ |
| ubuntu/linux-oracle-5.15 | <5.12~ | 5.12~ |
| ubuntu/linux-oracle-5.3 | <5.12~ | 5.12~ |
| 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-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~ | 5.12~ |
| ubuntu/linux-raspi-5.4 | <5.12~ | 5.12~ |
| ubuntu/linux-raspi-5.4 | <5.4.0-1036.39~18.04.1 | 5.4.0-1036.39~18.04.1 |
| ubuntu/linux-raspi2 | <5.12~ | 5.12~ |
| ubuntu/linux-raspi2 | <4.15.0-1086.91 | 4.15.0-1086.91 |
| ubuntu/linux-raspi2-5.3 | <5.12~ | 5.12~ |
| ubuntu/linux-riscv | <5.11.0-1009.9 | 5.11.0-1009.9 |
| ubuntu/linux-riscv | <5.12~ | 5.12~ |
| ubuntu/linux-riscv-5.11 | <5.12~ | 5.12~ |
| 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~ | 5.12~ |
| ubuntu/linux-snapdragon | <5.12~ | 5.12~ |
| ubuntu/linux-snapdragon | <4.15.0-1103.112 | 4.15.0-1103.112 |
| 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 |
| debian/linux | 4.19.249-2 4.19.304-1 5.10.197-1 5.10.205-2 6.1.66-1 6.1.69-1 6.6.13-1 6.6.15-2 |
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Reference Links
- https://access.redhat.com/security/cve/CVE-2021-3659
- https://bugzilla.redhat.com/show_bug.cgi?id=1975949
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1165affd484889d4986cf3b724318935a0b120d8
- https://launchpad.net/bugs/cve/CVE-2021-3659
- https://syzkaller.appspot.com/bug?extid=12cf5fbfdeba210a89dd
- https://access.redhat.com/security/cve/CVE-2021-33033
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1984560
- https://access.redhat.com/errata/RHSA-2021:4140
- https://access.redhat.com/errata/RHSA-2021:4356
- https://access.redhat.com/security/cve/cve-2021-3659
- https://www.cve.org/CVERecord?id=CVE-2021-3659 https://nvd.nist.gov/vuln/detail/CVE-2021-3659 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1165affd484889d4986cf3b724318935a0b120d8
- https://git.kernel.org/linus/1165affd484889d4986cf3b724318935a0b120d8
- https://security-tracker.debian.org/tracker/CVE-2021-3659
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3659
- https://ubuntu.com/security/notices/USN-6001-1
- https://ubuntu.com/security/notices/USN-6013-1
- https://ubuntu.com/security/notices/USN-6014-1
- https://nvd.nist.gov/vuln/detail/CVE-2021-3659
- https://git.kernel.org/linus/5d637d5aabd85132bd85779677d8acb708e0ed90
- https://ubuntu.com/security/CVE-2021-3659
Parent vulnerabilities
(Appears in the following advisories)
- agent/author
- agent/description
- agent/event
- agent/first-publish-date
- agent/last-modified-date
- agent/references
- agent/remedy
- agent/severity
- agent/softwarecombine
- agent/tags
- agent/type
- agent/weakness
- collector/launchpad-cve
- source/Launchpad
- collector/nvd-cve
- source/NVD
- agent/software-canonical-lookup
- collector/nvd-index
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2021-3659
- collector/redhat-cve
- collector/security-tracker-debian
- source/Debian
- collector/usn-cve
- source/Ubuntu
- vendor/linux
- canonical/linux linux kernel
- vendor/fedoraproject
- canonical/fedoraproject fedora
- version/fedoraproject fedora/34
- vendor/redhat
- canonical/redhat enterprise linux
- version/redhat enterprise linux/7.0
- version/redhat enterprise linux/8.0
- canonical/redhat enterprise linux for ibm z systems
- version/redhat enterprise linux for ibm z systems/8.0
- canonical/redhat enterprise linux for ibm z systems eus
- version/redhat enterprise linux for ibm z systems eus/8.6
- canonical/redhat enterprise linux for power little endian eus
- version/redhat enterprise linux for power little endian eus/8.6
- canonical/redhat enterprise linux for real time
- version/redhat enterprise linux for real time/8.0
- canonical/redhat enterprise linux for real time for nfv
- version/redhat enterprise linux for real time for nfv/8.0
- canonical/redhat enterprise linux for real time for nfv tus
- version/redhat enterprise linux for real time for nfv tus/8.6
- canonical/redhat enterprise linux for real time tus
- version/redhat enterprise linux for real time tus/8.6
- canonical/redhat enterprise linux server aus
- version/redhat enterprise linux server aus/8.6
- canonical/redhat enterprise linux server eus
- version/redhat enterprise linux server eus/8.6
- canonical/redhat enterprise linux server tus
- version/redhat enterprise linux server tus/8.6
- canonical/redhat enterprise linux eus
- version/redhat enterprise linux eus/8.6
- canonical/redhat enterprise linux for power little endian
- version/redhat enterprise linux for power little endian/8.0
- canonical/redhat codeready linux builder
- canonical/redhat virtualization host
- version/redhat virtualization host/4.0
- package-manager/redhat
- package-manager/debian
- package-manager/ubuntu