High severity7.8NVD Advisory· Published Jul 9, 2021· Updated Jun 17, 2026

CVE-2021-3612

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

133

Linux/Linux kerneldescription
osv-coords113 versions
pkg:rpm/almalinux/kernel-tools pkg:rpm/almalinux/kernel-tools-libs pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%2015.2 pkg:rpm/opensuse/kernel-kvmsmall&distro=openSUSE%20Leap%2015.2 pkg:rpm/opensuse/kernel-obs-build&distro=openSUSE%20Leap%2015.2 pkg:rpm/opensuse/kernel-obs-qa&distro=openSUSE%20Leap%2015.2 pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2015.2 pkg:rpm/opensuse/kernel-debug&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/kernel-docs&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/kernel-kvmsmall&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/kernel-preempt&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/kernel-zfcpdump&distro=openSUSE%20Leap%2015.3 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015%20SP2 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP2 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP2 pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP5 pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5 pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5 pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5 pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5 pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP2 pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP2 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP2 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP2 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP2 pkg:rpm/suse/kernel-preempt&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP2 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Micro%205.0 pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Micro%205.0 pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP2 pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP2 pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP5 pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP5 pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP5 pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP3 pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP3 pkg:rpm/suse/kernel-preempt&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP3 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP3 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015%20SP3 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP3 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP3 pkg:rpm/suse/kernel-preempt&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP3 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP3 pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP2 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5 pkg:rpm/suse/kernel-preempt&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP2 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP2 pkg:rpm/suse/kernel-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP2 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP3 pkg:rpm/opensuse/kernel-obs-build&distro=openSUSE%20Leap%2015.3 pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5 pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5 pkg:rpm/almalinux/bpftool pkg:rpm/almalinux/kernel pkg:rpm/almalinux/kernel-abi-stablelists pkg:rpm/almalinux/kernel-core pkg:rpm/almalinux/kernel-cross-headers pkg:rpm/almalinux/kernel-debug pkg:rpm/almalinux/kernel-debug-core pkg:rpm/almalinux/kernel-debug-devel pkg:rpm/almalinux/kernel-debug-modules pkg:rpm/almalinux/kernel-debug-modules-extra pkg:rpm/almalinux/kernel-devel pkg:rpm/almalinux/kernel-doc pkg:rpm/almalinux/kernel-headers pkg:rpm/almalinux/kernel-modules pkg:rpm/almalinux/kernel-modules-extra pkg:rpm/almalinux/kernel-tools-libs-devel pkg:rpm/almalinux/perf pkg:rpm/almalinux/python3-perf pkg:rpm/opensuse/dtb-aarch64&distro=openSUSE%20Leap%2015.3 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2012%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP5 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5 pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP2 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP2 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP2 pkg:rpm/suse/kernel-livepatch-SLE15-SP2_Update_17&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP2 pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.0 pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP3 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP3 pkg:rpm/suse/kgraft-patch-SLE12-SP5_Update_21&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2012%20SP5 pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3 pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Real%20Time%20Module%2015%20SP2 pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3 pkg:rpm/suse/kernel-preempt&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3 pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP3 pkg:rpm/suse/kernel-livepatch-SLE15-SP3_Update_5&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP3 pkg:rpm/opensuse/kernel-debug&distro=openSUSE%20Leap%2015.2 pkg:rpm/opensuse/kernel-preempt&distro=openSUSE%20Leap%2015.2 pkg:rpm/opensuse/kernel-source-azure&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/kernel-default-base&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/kernel-obs-qa&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2015.2 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP2 pkg:rpm/suse/kernel-preempt&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP2 pkg:rpm/opensuse/kernel-64kb&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/kernel-default-base&distro=openSUSE%20Leap%2015.2 pkg:rpm/opensuse/kernel-docs&distro=openSUSE%20Leap%2015.2 pkg:rpm/opensuse/kernel-azure&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/kernel-syms-azure&distro=openSUSE%20Leap%2015.3
< 4.18.0-372.9.1.el8+ 112 more
- (no CPE)range: < 4.18.0-372.9.1.el8
- (no CPE)range: < 4.18.0-372.9.1.el8
- (no CPE)range: < 5.3.18-lp152.84.1
- (no CPE)range: < 5.3.18-lp152.84.1
- (no CPE)range: < 5.3.18-lp152.84.1
- (no CPE)range: < 5.3.18-lp152.84.1
- (no CPE)range: < 5.3.18-lp152.84.1
- (no CPE)range: < 5.3.18-59.19.1
- (no CPE)range: < 5.3.18-59.19.1
- (no CPE)range: < 5.3.18-59.19.1
- (no CPE)range: < 5.3.18-59.19.1
- (no CPE)range: < 5.3.18-59.19.1
- (no CPE)range: < 5.3.18-59.19.1
- (no CPE)range: < 5.3.18-59.19.1
- (no CPE)range: < 5.3.18-59.19.1
- (no CPE)range: < 5.3.18-24.75.3
- (no CPE)range: < 5.3.18-24.75.3
- (no CPE)range: < 5.3.18-24.75.3
- (no CPE)range: < 4.12.14-10.54.1
- (no CPE)range: < 4.12.14-16.65.1
- (no CPE)range: < 4.12.14-16.65.1
- (no CPE)range: < 4.12.14-16.65.1
- (no CPE)range: < 4.12.14-16.65.1
- (no CPE)range: < 5.3.18-18.58.1
- (no CPE)range: < 5.3.18-18.58.1
- (no CPE)range: < 4.12.14-122.80.1
- (no CPE)range: < 4.12.14-122.80.1
- (no CPE)range: < 4.12.14-122.80.1
- (no CPE)range: < 4.12.14-122.80.1
- (no CPE)range: < 5.3.18-24.75.3
- (no CPE)range: < 5.3.18-24.75.2
- (no CPE)range: < 5.3.18-24.75.3
- (no CPE)range: < 5.3.18-24.75.3
- (no CPE)range: < 5.3.18-24.75.3
- (no CPE)range: < 5.3.18-24.75.3.9.34.3
- (no CPE)range: < 5.3.18-45.3
- (no CPE)range: < 5.3.18-45.2
- (no CPE)range: < 4.12.14-10.54.1
- (no CPE)range: < 4.12.14-10.54.1
- (no CPE)range: < 4.12.14-10.54.1
- (no CPE)range: < 5.3.18-38.17.1
- (no CPE)range: < 5.3.18-38.17.1
- (no CPE)range: < 5.3.18-59.19.1
- (no CPE)range: < 5.3.18-59.19.1
- (no CPE)range: < 5.3.18-59.19.1
- (no CPE)range: < 5.3.18-59.19.1
- (no CPE)range: < 5.3.18-59.19.1
- (no CPE)range: < 5.3.18-59.19.1
- (no CPE)range: < 5.3.18-59.19.1
- (no CPE)range: < 5.3.18-18.58.1
- (no CPE)range: < 4.12.14-122.80.1
- (no CPE)range: < 4.12.14-122.80.1
- (no CPE)range: < 5.3.18-24.75.3
- (no CPE)range: < 5.3.18-24.75.3
- (no CPE)range: < 5.3.18-45.3
- (no CPE)range: < 5.3.18-59.19.1
- (no CPE)range: < 5.3.18-59.19.1
- (no CPE)range: < 5.3.18-59.19.1
- (no CPE)range: < 4.12.14-16.65.1
- (no CPE)range: < 4.12.14-16.65.1
- (no CPE)range: < 4.18.0-372.9.1.el8
- (no CPE)range: < 4.18.0-372.9.1.el8
- (no CPE)range: < 4.18.0-372.9.1.el8
- (no CPE)range: < 4.18.0-372.9.1.el8
- (no CPE)range: < 4.18.0-372.9.1.el8
- (no CPE)range: < 4.18.0-372.9.1.el8
- (no CPE)range: < 4.18.0-372.9.1.el8
- (no CPE)range: < 4.18.0-372.9.1.el8
- (no CPE)range: < 4.18.0-372.9.1.el8
- (no CPE)range: < 4.18.0-372.9.1.el8
- (no CPE)range: < 4.18.0-372.9.1.el8
- (no CPE)range: < 4.18.0-372.9.1.el8
- (no CPE)range: < 4.18.0-372.9.1.el8
- (no CPE)range: < 4.18.0-372.9.1.el8
- (no CPE)range: < 4.18.0-372.9.1.el8
- (no CPE)range: < 4.18.0-372.9.1.el8
- (no CPE)range: < 4.18.0-372.9.1.el8
- (no CPE)range: < 4.18.0-372.9.1.el8
- (no CPE)range: < 5.3.18-59.19.1
- (no CPE)range: < 4.12.14-122.80.1
- (no CPE)range: < 4.12.14-122.80.1
- (no CPE)range: < 4.12.14-122.80.1
- (no CPE)range: < 4.12.14-122.80.1
- (no CPE)range: < 5.3.18-24.75.3.9.34.3
- (no CPE)range: < 5.3.18-24.75.2
- (no CPE)range: < 5.3.18-24.75.1
- (no CPE)range: < 1-5.3.3
- (no CPE)range: < 5.3.18-45.3
- (no CPE)range: < 5.3.18-38.17.1
- (no CPE)range: < 5.3.18-59.19.1
- (no CPE)range: < 5.3.18-59.19.1
- (no CPE)range: < 1-8.3.1
- (no CPE)range: < 4.12.14-122.80.1
- (no CPE)range: < 5.3.18-59.19.1
- (no CPE)range: < 5.3.18-45.3
- (no CPE)range: < 5.3.18-59.19.1.18.10.1
- (no CPE)range: < 5.3.18-59.19.1
- (no CPE)range: < 5.3.18-59.19.1
- (no CPE)range: < 5.3.18-59.19.1
- (no CPE)range: < 1-7.3.1
- (no CPE)range: < 5.3.18-lp152.84.1
- (no CPE)range: < 5.3.18-lp152.84.1
- (no CPE)range: < 5.3.18-38.17.1
- (no CPE)range: < 5.3.18-59.19.1.18.10.1
- (no CPE)range: < 5.3.18-59.19.1
- (no CPE)range: < 5.3.18-lp152.84.1
- (no CPE)range: < 5.3.18-24.75.2
- (no CPE)range: < 5.3.18-24.75.3
- (no CPE)range: < 5.3.18-59.19.1
- (no CPE)range: < 5.3.18-lp152.84.1.lp152.8.38.1
- (no CPE)range: < 5.3.18-lp152.84.1
- (no CPE)range: < 5.3.18-38.17.1
- (no CPE)range: < 5.3.18-38.17.1
Linux/Kernelllm-fuzzy2 versions
<5.9-rc1+ 1 more
- (no CPE)range: <5.9-rc1
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: <5.9.0
Red Hat/Enterprise Linux Server2 versions
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
Fedoraproject/Fedora
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
Debian/linux
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Oracle Corporation/Communications Cloud Native Core Binding Support Function
cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:22.1.3:*:*:*:*:*:*:*
Oracle Corporation/Communications Cloud Native Core Network Exposure Function
cpe:2.3:a:oracle:communications_cloud_native_core_network_exposure_function:22.1.1:*:*:*:*:*:*:*
Oracle Corporation/Communications Cloud Native Core Policy
cpe:2.3:a:oracle:communications_cloud_native_core_policy:22.2.0:*:*:*:*:*:*:*
NetApp/Cloud Backup
cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*
NetApp/Solidfire Baseboard Management Controller Firmware
cpe:2.3:o:netapp:solidfire_baseboard_management_controller_firmware:-:*:*:*:*:*:*:*
NetApp/H300s Firmware
cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*
NetApp/H500s Firmware
cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*
NetApp/H700s Firmware
cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*
NetApp/H300e Firmware
cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:*
NetApp/H500e Firmware
cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:*
NetApp/H700e Firmware
cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:*
NetApp/H410s Firmware
cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*
NetApp/H410c Firmware
cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*

Patches

Vulnerability mechanics

References

www.oracle.com/security-alerts/cpujul2022.htmlnvdPatchThird Party Advisory
bugzilla.redhat.com/show_bug.cginvdIssue TrackingThird Party Advisory
lists.debian.org/debian-lts-announce/2021/10/msg00010.htmlnvdMailing ListThird Party Advisory
lists.debian.org/debian-lts-announce/2021/12/msg00012.htmlnvdMailing ListThird Party Advisory
security.netapp.com/advisory/ntap-20210805-0005/nvdThird Party Advisory
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YKGI562LFV5MESTMVTCG5RORSBT6NGBN/nvd
lore.kernel.org/linux-input/20210620120030.1513655-1-avlarkin82%40gmail.com/nvd

News mentions

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cvss	0.507
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000