CVE-2021-3612
7.8 HIGHAn 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 ...
Published: 2021-07-09 · Last updated: 2026-06-17
Severity and scoring
- CVSS
- 7.8 HIGH
- Vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CWE
- CWE-20, CWE-787
Affected products
| Vendor | Product |
|---|---|
| debian | cloud_backup, communications_cloud_native_core_binding_support_function, communications_cloud_native_core_network_exposure_function |
| fedoraproject | cloud_backup, communications_cloud_native_core_binding_support_function, communications_cloud_native_core_network_exposure_function |
| linux | cloud_backup, communications_cloud_native_core_binding_support_function, communications_cloud_native_core_network_exposure_function |
| netapp | cloud_backup, communications_cloud_native_core_binding_support_function, communications_cloud_native_core_network_exposure_function |
| oracle | cloud_backup, communications_cloud_native_core_binding_support_function, communications_cloud_native_core_network_exposure_function |
| redhat | cloud_backup, communications_cloud_native_core_binding_support_function, communications_cloud_native_core_network_exposure_function |
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.
Source: NVD
References
- [NVD]https://nvd.nist.gov/vuln/detail/CVE-2021-3612
- [Other]https://bugzilla.redhat.com/show_bug.cgi?id=1974079
- [Other]https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html
- [Other]https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html
- [Other]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YKGI562LFV5MESTMVTCG5RORSBT6NGBN/
- [Other]https://lore.kernel.org/linux-input/20210620120030.1513655-1-avlarkin82%40gmail.com/
- [Other]https://security.netapp.com/advisory/ntap-20210805-0005/
- [Patch]https://www.oracle.com/security-alerts/cpujul2022.html
- [Other]https://bugzilla.redhat.com/show_bug.cgi?id=1974079
- [Other]https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html
- [Other]https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html
- [Other]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YKGI562LFV5MESTMVTCG5RORSBT6NGBN/
- [Other]https://lore.kernel.org/linux-input/20210620120030.1513655-1-avlarkin82%40gmail.com/
- [Other]https://security.netapp.com/advisory/ntap-20210805-0005/
- [Patch]https://www.oracle.com/security-alerts/cpujul2022.html
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