NULL pointer dereference in Linux kernel - CVE-2021-3659

Vulnerability identifier: #VU74547

CSH Severity: Low

CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-3659

CWE-ID: CWE-476

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local usre to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in the way the user closes the LR-WPAN connection within the IEEE 802.15.4 wireless networking subsystem. A local user can perform a denial of service (DoS) attack.

Linux kernel
SUSE CaaS Platform
SUSE MicroOS
SUSE Enterprise Storage
HPE Helion Openstack
Red Hat CodeReady Linux Builder for ARM 64
Red Hat CodeReady Linux Builder for Power, little endian
Red Hat CodeReady Linux Builder for x86_64
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for Real Time for NFV
Red Hat Enterprise Linux for Real Time
SUSE OpenStack Cloud
SUSE OpenStack Cloud Crowbar
SUSE Linux Enterprise Server
SUSE Linux Enterprise Server for SAP
SUSE Linux Enterprise High Availability
SUSE Linux Enterprise Live Patching
SUSE Linux Enterprise Real Time Extension
SUSE Linux Enterprise Software Development Kit
SUSE Linux Enterprise Workstation Extension
Ubuntu
SUSE Linux Enterprise High Performance Computing
SUSE Linux Enterprise Module for Live Patching
SUSE Linux Enterprise Module for Public Cloud
SUSE Linux Enterprise Module for Realtime
SUSE Linux Enterprise Module for Legacy Software
SUSE Linux Enterprise Module for Basesystem
SUSE Linux Enterprise Module for Development Tools
openEuler
linux-image-4.4.0-1155-aws (Ubuntu package)
linux-image-aws (Ubuntu package)
linux-image-lowlatency (Ubuntu package)
linux-image-virtual-lts-xenial (Ubuntu package)
linux-image-4.4.0-1118-kvm (Ubuntu package)
linux-image-generic-lts-xenial (Ubuntu package)
linux-image-kvm (Ubuntu package)
linux-image-4.4.0-239-generic (Ubuntu package)
linux-image-4.4.0-239-lowlatency (Ubuntu package)
linux-image-lowlatency-lts-xenial (Ubuntu package)
linux-image-generic (Ubuntu package)
linux-image-virtual (Ubuntu package)
linux-image-4.4.0-1117-aws (Ubuntu package)
kernel-livepatch-4_12_14-150_78-default
kernel-livepatch-4_12_14-150_78-default-debuginfo
kernel-livepatch-4_12_14-197_102-default
kgraft-patch-4_4_180-94_150-default
kgraft-patch-4_4_180-94_150-default-debuginfo
kernel-livepatch-5_3_18-24_78-default
kernel-livepatch-5_3_18-24_78-default-debuginfo
kernel-livepatch-SLE15-SP2_Update_18-debugsource
kgraft-patch-4_12_14-95_83-default
kernel-livepatch-5_3_18-59_19-default
kgraft-patch-4_12_14-122_83-default
kernel-source
kernel-default
kernel-syms
kernel-default-devel
kernel-devel
kernel-macros
kernel-default-base
kernel-default-base-debuginfo
kernel-default-debuginfo
kernel-default-debugsource
kernel-default-kgraft
kernel-default-man
ocfs2-kmp-default-debuginfo
ocfs2-kmp-default
gfs2-kmp-default-debuginfo
gfs2-kmp-default
dlm-kmp-default-debuginfo
dlm-kmp-default
cluster-md-kmp-default-debuginfo
cluster-md-kmp-default
kernel-syms-rt
kernel-devel-rt
kernel-source-rt
cluster-md-kmp-rt
cluster-md-kmp-rt-debuginfo
dlm-kmp-rt
dlm-kmp-rt-debuginfo
gfs2-kmp-rt
gfs2-kmp-rt-debuginfo
kernel-rt
kernel-rt-base
kernel-rt-base-debuginfo
kernel-rt-debuginfo
kernel-rt-debugsource
kernel-rt-devel
kernel-rt-devel-debuginfo
kernel-rt_debug
kernel-rt_debug-debuginfo
kernel-rt_debug-debugsource
kernel-rt_debug-devel
ocfs2-kmp-rt-debuginfo
ocfs2-kmp-rt
kernel-rt_debug-devel-debuginfo
kernel-azure-base
kernel-syms-azure
kernel-azure-devel
kernel-azure-debugsource
kernel-azure-debuginfo
kernel-azure-base-debuginfo
kernel-azure
kernel-source-azure
kernel-devel-azure
kernel-default-kgraft-devel
kernel-default-devel-debuginfo
kernel-default-extra
kernel-default-extra-debuginfo
kernel-obs-build
kernel-obs-build-debugsource
kernel-docs
kernel-vanilla-base
kernel-vanilla-base-debuginfo
kernel-vanilla-debugsource
kernel-default-livepatch
kernel-zfcpdump-debugsource
kernel-vanilla-debuginfo
reiserfs-kmp-default
reiserfs-kmp-default-debuginfo
kernel-zfcpdump-debuginfo
kernel-default-livepatch-devel
kernel (Red Hat package)
kernel-rt (Red Hat package)
kernel
kernel-debuginfo
python2-perf
python3-perf-debuginfo
kernel-debugsource
python2-perf-debuginfo
kernel-tools-devel
bpftool-debuginfo
kernel-tools
perf-debuginfo
kernel-tools-debuginfo
python3-perf
perf
bpftool
kernel-azure-devel-debuginfo
kernel-preempt-extra-debuginfo
kernel-preempt-extra
kernel-preempt
kernel-preempt-debuginfo
kernel-preempt-debugsource
kernel-preempt-devel
kernel-preempt-devel-debuginfo
kernel-zfcpdump
kernel-64kb-devel
kernel-64kb-debugsource
kernel-64kb-debuginfo
kernel-64kb
kernel-64kb-devel-debuginfo

Install update from vendor's website.

linux-image-4.4.0-1155-aws (Ubuntu package) - update to Ubuntu Pro
linux-image-aws (Ubuntu package) - update to Ubuntu Pro (Infra-only)
linux-image-lowlatency (Ubuntu package) - update to Ubuntu Pro (Infra-only)
linux-image-virtual-lts-xenial (Ubuntu package) - update to Ubuntu Pro (Infra-only)
linux-image-4.4.0-1118-kvm (Ubuntu package) - update to Ubuntu Pro
linux-image-generic-lts-xenial (Ubuntu package) - update to Ubuntu Pro (Infra-only)
linux-image-kvm (Ubuntu package) - update to Ubuntu Pro (Infra-only)
linux-image-4.4.0-239-generic (Ubuntu package) - update to Ubuntu Pro
linux-image-4.4.0-239-lowlatency (Ubuntu package) - update to Ubuntu Pro
linux-image-lowlatency-lts-xenial (Ubuntu package) - update to Ubuntu Pro (Infra-only)
linux-image-generic (Ubuntu package) - update to Ubuntu Pro (Infra-only)
linux-image-virtual (Ubuntu package) - update to Ubuntu Pro (Infra-only)
linux-image-4.4.0-1117-aws (Ubuntu package) - update to Ubuntu Pro
kernel-livepatch-4_12_14-150_78-default - update to 1-1.3.1
kernel-livepatch-4_12_14-150_78-default-debuginfo - update to 1-1.3.1
kernel-livepatch-4_12_14-197_102-default - update to 1-3.3.1
kgraft-patch-4_4_180-94_150-default - update to 1-4.3.1
kgraft-patch-4_4_180-94_150-default-debuginfo - update to 1-4.3.1
kernel-livepatch-5_3_18-24_78-default - update to 1-5.3.1
kernel-livepatch-5_3_18-24_78-default-debuginfo - update to 1-5.3.1
kernel-livepatch-SLE15-SP2_Update_18-debugsource - update to 1-5.3.1
kgraft-patch-4_12_14-95_83-default - update to 1-6.3.1
kernel-livepatch-5_3_18-59_19-default - update to 1-7.3.1
kgraft-patch-4_12_14-122_83-default - update to 1-8.3.1
kernel-source - addressed in versions 4.4.121-92.161.1, 4.4.180-94.150.1, 4.12.14-95.83.2, 4.12.14-122.83.1, 4.12.14-150.78.1, 4.12.14-197.102.2, 5.3.18-24.78.1, 5.3.18-59.19.1
kernel-default - addressed in versions 4.4.121-92.161.1, 4.4.180-94.150.1, 4.12.14-95.83.2, 4.12.14-122.83.1, 4.12.14-150.78.1, 4.12.14-197.102.2, 5.3.18-24.78.1, 5.3.18-59.19.1
kernel-syms - addressed in versions 4.4.121-92.161.1, 4.4.180-94.150.1, 4.12.14-95.83.2, 4.12.14-122.83.1, 4.12.14-150.78.1, 4.12.14-197.102.2, 5.3.18-24.78.1, 5.3.18-59.19.1
kernel-default-devel - addressed in versions 4.4.121-92.161.1, 4.4.180-94.150.1, 4.12.14-95.83.2, 4.12.14-122.83.1, 4.12.14-150.78.1, 4.12.14-197.102.2, 5.3.18-24.78.1, 5.3.18-59.19.1
kernel-devel - addressed in versions 4.4.121-92.161.1, 4.4.180-94.150.1, 4.12.14-95.83.2, 4.12.14-122.83.1, 4.12.14-150.78.1, 4.12.14-197.102.2, 5.3.18-24.78.1, 5.3.18-59.19.1
kernel-macros - addressed in versions 4.4.121-92.161.1, 4.4.180-94.150.1, 4.12.14-95.83.2, 4.12.14-122.83.1, 4.12.14-150.78.1, 4.12.14-197.102.2, 5.3.18-24.78.1, 5.3.18-59.19.1
kernel-default-base - addressed in versions 4.4.121-92.161.1, 4.4.180-94.150.1, 4.12.14-95.83.2, 4.12.14-122.83.1, 4.12.14-150.78.1, 4.12.14-197.102.2, 5.3.18-24.78.1.9.36.1, 5.3.18-59.19.1.18.10.1
kernel-default-base-debuginfo - addressed in versions 4.4.121-92.161.1, 4.4.180-94.150.1, 4.12.14-95.83.2, 4.12.14-122.83.1, 4.12.14-197.102.2
kernel-default-debuginfo - addressed in versions 4.4.121-92.161.1, 4.4.180-94.150.1, 4.12.14-95.83.2, 4.12.14-122.83.1, 4.12.14-150.78.1, 4.12.14-197.102.2, 5.3.18-24.78.1, 5.3.18-59.19.1
kernel-default-debugsource - addressed in versions 4.4.121-92.161.1, 4.4.180-94.150.1, 4.12.14-95.83.2, 4.12.14-122.83.1, 4.12.14-150.78.1, 4.12.14-197.102.2, 5.3.18-24.78.1, 5.3.18-59.19.1
kernel-default-kgraft - addressed in versions 4.4.180-94.150.1, 4.12.14-95.83.2, 4.12.14-122.83.1
kernel-default-man - addressed in versions 4.4.180-94.150.1, 4.12.14-95.83.2, 4.12.14-122.83.1, 4.12.14-150.78.1, 4.12.14-197.102.2
ocfs2-kmp-default-debuginfo - addressed in versions 4.4.180-94.150.1, 4.12.14-95.83.2, 4.12.14-122.83.1, 4.12.14-150.78.1, 4.12.14-197.102.2, 5.3.18-24.78.1, 5.3.18-59.19.1
ocfs2-kmp-default - addressed in versions 4.4.180-94.150.1, 4.12.14-95.83.2, 4.12.14-122.83.1, 4.12.14-150.78.1, 4.12.14-197.102.2, 5.3.18-24.78.1, 5.3.18-59.19.1
gfs2-kmp-default-debuginfo - addressed in versions 4.4.180-94.150.1, 4.12.14-95.83.2, 4.12.14-122.83.1, 4.12.14-150.78.1, 4.12.14-197.102.2, 5.3.18-24.78.1, 5.3.18-59.19.1
gfs2-kmp-default - addressed in versions 4.4.180-94.150.1, 4.12.14-95.83.2, 4.12.14-122.83.1, 4.12.14-150.78.1, 4.12.14-197.102.2, 5.3.18-24.78.1, 5.3.18-59.19.1
dlm-kmp-default-debuginfo - addressed in versions 4.4.180-94.150.1, 4.12.14-95.83.2, 4.12.14-122.83.1, 4.12.14-150.78.1, 4.12.14-197.102.2, 5.3.18-24.78.1, 5.3.18-59.19.1
dlm-kmp-default - addressed in versions 4.4.180-94.150.1, 4.12.14-95.83.2, 4.12.14-122.83.1, 4.12.14-150.78.1, 4.12.14-197.102.2, 5.3.18-24.78.1, 5.3.18-59.19.1
cluster-md-kmp-default-debuginfo - addressed in versions 4.4.180-94.150.1, 4.12.14-95.83.2, 4.12.14-122.83.1, 4.12.14-150.78.1, 4.12.14-197.102.2, 5.3.18-24.78.1, 5.3.18-59.19.1
cluster-md-kmp-default - addressed in versions 4.4.180-94.150.1, 4.12.14-95.83.2, 4.12.14-122.83.1, 4.12.14-150.78.1, 4.12.14-197.102.2, 5.3.18-24.78.1, 5.3.18-59.19.1
kernel-syms-rt - addressed in versions 4.12.14-10.54.1, 5.3.18-48.1
kernel-devel-rt - addressed in versions 4.12.14-10.54.1, 5.3.18-48.1
kernel-source-rt - addressed in versions 4.12.14-10.54.1, 5.3.18-48.1
cluster-md-kmp-rt - addressed in versions 4.12.14-10.54.1, 5.3.18-48.1
cluster-md-kmp-rt-debuginfo - addressed in versions 4.12.14-10.54.1, 5.3.18-48.1
dlm-kmp-rt - addressed in versions 4.12.14-10.54.1, 5.3.18-48.1
dlm-kmp-rt-debuginfo - addressed in versions 4.12.14-10.54.1, 5.3.18-48.1
gfs2-kmp-rt - addressed in versions 4.12.14-10.54.1, 5.3.18-48.1
gfs2-kmp-rt-debuginfo - addressed in versions 4.12.14-10.54.1, 5.3.18-48.1
kernel-rt - addressed in versions 4.12.14-10.54.1, 5.3.18-48.1
kernel-rt-base - update to 4.12.14-10.54.1
kernel-rt-base-debuginfo - update to 4.12.14-10.54.1
kernel-rt-debuginfo - addressed in versions 4.12.14-10.54.1, 5.3.18-48.1
kernel-rt-debugsource - addressed in versions 4.12.14-10.54.1, 5.3.18-48.1
kernel-rt-devel - addressed in versions 4.12.14-10.54.1, 5.3.18-48.1
kernel-rt-devel-debuginfo - addressed in versions 4.12.14-10.54.1, 5.3.18-48.1
kernel-rt_debug - addressed in versions 4.12.14-10.54.1, 5.3.18-48.1
kernel-rt_debug-debuginfo - addressed in versions 4.12.14-10.54.1, 5.3.18-48.1
kernel-rt_debug-debugsource - addressed in versions 4.12.14-10.54.1, 5.3.18-48.1
kernel-rt_debug-devel - addressed in versions 4.12.14-10.54.1, 5.3.18-48.1
ocfs2-kmp-rt-debuginfo - addressed in versions 4.12.14-10.54.1, 5.3.18-48.1
ocfs2-kmp-rt - addressed in versions 4.12.14-10.54.1, 5.3.18-48.1
kernel-rt_debug-devel-debuginfo - addressed in versions 4.12.14-10.54.1, 5.3.18-48.1
kernel-azure-base - update to 4.12.14-16.68.1
kernel-syms-azure - addressed in versions 4.12.14-16.68.1, 5.3.18-18.61.1, 5.3.18-38.17.1
kernel-azure-devel - addressed in versions 4.12.14-16.68.1, 5.3.18-18.61.1, 5.3.18-38.17.1
kernel-azure-debugsource - addressed in versions 4.12.14-16.68.1, 5.3.18-18.61.1, 5.3.18-38.17.1
kernel-azure-debuginfo - addressed in versions 4.12.14-16.68.1, 5.3.18-18.61.1, 5.3.18-38.17.1
kernel-azure-base-debuginfo - update to 4.12.14-16.68.1
kernel-azure - addressed in versions 4.12.14-16.68.1, 5.3.18-18.61.1, 5.3.18-38.17.1
kernel-source-azure - addressed in versions 4.12.14-16.68.1, 5.3.18-18.61.1, 5.3.18-38.17.1
kernel-devel-azure - addressed in versions 4.12.14-16.68.1, 5.3.18-18.61.1, 5.3.18-38.17.1
kernel-default-kgraft-devel - addressed in versions 4.12.14-95.83.2, 4.12.14-122.83.1
kernel-default-devel-debuginfo - addressed in versions 4.12.14-95.83.2, 4.12.14-122.83.1, 4.12.14-150.78.1, 4.12.14-197.102.2, 5.3.18-24.78.1, 5.3.18-59.19.1
kernel-default-extra - addressed in versions 4.12.14-122.83.1, 5.3.18-24.78.1, 5.3.18-59.19.1
kernel-default-extra-debuginfo - addressed in versions 4.12.14-122.83.1, 5.3.18-24.78.1, 5.3.18-59.19.1
kernel-obs-build - addressed in versions 4.12.14-122.83.1, 4.12.14-150.78.2, 4.12.14-197.102.1, 5.3.18-24.78.1, 5.3.18-59.19.1
kernel-obs-build-debugsource - addressed in versions 4.12.14-122.83.1, 4.12.14-150.78.2, 4.12.14-197.102.1, 5.3.18-24.78.1, 5.3.18-59.19.1
kernel-docs - addressed in versions 4.12.14-122.83.1, 4.12.14-150.78.2, 4.12.14-197.102.2, 5.3.18-24.78.1, 5.3.18-59.19.1
kernel-vanilla-base - update to 4.12.14-150.78.1
kernel-vanilla-base-debuginfo - update to 4.12.14-150.78.1
kernel-vanilla-debugsource - update to 4.12.14-150.78.1
kernel-default-livepatch - addressed in versions 4.12.14-150.78.1, 4.12.14-197.102.2, 5.3.18-24.78.1, 5.3.18-59.19.1
kernel-zfcpdump-debugsource - addressed in versions 4.12.14-150.78.1, 4.12.14-197.102.2, 5.3.18-59.19.1
kernel-vanilla-debuginfo - update to 4.12.14-150.78.1
reiserfs-kmp-default - addressed in versions 4.12.14-150.78.1, 4.12.14-197.102.2, 5.3.18-24.78.1, 5.3.18-59.19.1
reiserfs-kmp-default-debuginfo - addressed in versions 4.12.14-150.78.1, 4.12.14-197.102.2, 5.3.18-24.78.1, 5.3.18-59.19.1
kernel-zfcpdump-debuginfo - addressed in versions 4.12.14-150.78.1, 4.12.14-197.102.2, 5.3.18-59.19.1
kernel-default-livepatch-devel - addressed in versions 4.12.14-197.102.2, 5.3.18-24.78.1, 5.3.18-59.19.1
kernel (Red Hat package) - update to 4.18.0-348.el8
kernel-rt (Red Hat package) - update to 4.18.0-348.rt7.130.el8
kernel - update to 4.19.90-2108.4.0.0102
kernel-debuginfo - update to 4.19.90-2108.4.0.0102
python2-perf - update to 4.19.90-2108.4.0.0102
kernel-devel - update to 4.19.90-2108.4.0.0102
python3-perf-debuginfo - update to 4.19.90-2108.4.0.0102
kernel-debugsource - update to 4.19.90-2108.4.0.0102
kernel-source - update to 4.19.90-2108.4.0.0102
python2-perf-debuginfo - update to 4.19.90-2108.4.0.0102
kernel-tools-devel - update to 4.19.90-2108.4.0.0102
bpftool-debuginfo - update to 4.19.90-2108.4.0.0102
kernel-tools - update to 4.19.90-2108.4.0.0102
perf-debuginfo - update to 4.19.90-2108.4.0.0102
kernel-tools-debuginfo - update to 4.19.90-2108.4.0.0102
python3-perf - update to 4.19.90-2108.4.0.0102
perf - update to 4.19.90-2108.4.0.0102
bpftool - update to 4.19.90-2108.4.0.0102
kernel-azure-devel-debuginfo - addressed in versions 5.3.18-18.61.1, 5.3.18-38.17.1
kernel-preempt-extra-debuginfo - addressed in versions 5.3.18-24.78.1, 5.3.18-59.19.1
kernel-preempt-extra - addressed in versions 5.3.18-24.78.1, 5.3.18-59.19.1
kernel-preempt - addressed in versions 5.3.18-24.78.1, 5.3.18-59.19.1
kernel-preempt-debuginfo - addressed in versions 5.3.18-24.78.1, 5.3.18-59.19.1
kernel-preempt-debugsource - addressed in versions 5.3.18-24.78.1, 5.3.18-59.19.1
kernel-preempt-devel - addressed in versions 5.3.18-24.78.1, 5.3.18-59.19.1
kernel-preempt-devel-debuginfo - addressed in versions 5.3.18-24.78.1, 5.3.18-59.19.1
kernel-zfcpdump - update to 5.3.18-59.19.1
kernel-64kb-devel - update to 5.3.18-59.19.1
kernel-64kb-debugsource - update to 5.3.18-59.19.1
kernel-64kb-debuginfo - update to 5.3.18-59.19.1
kernel-64kb - update to 5.3.18-59.19.1
kernel-64kb-devel-debuginfo - update to 5.3.18-59.19.1

• 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

• Denial of service in Linux kernel IEEE 802.15.4 wireless networking subsystem
• Ubuntu update for linux-aws
• Ubuntu update for linux-aws
• Ubuntu update for linux
• openEuler update for kernel
• Red Hat Enterprise Linux 8 update for kernel-rt
• Red Hat Enterprise Linux 8 update for kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel