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.
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Linux
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Advisories
| Source | ID | Title |
|---|---|---|
Debian DLA |
DLA-2785-1 | linux-4.19 security update |
Debian DLA |
DLA-2843-1 | linux security update |
EUVD |
EUVD-2021-26916 | 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. |
Ubuntu USN |
USN-5070-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-5071-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-5071-2 | Linux kernel (HWE) vulnerabilities |
Ubuntu USN |
USN-5071-3 | Linux kernel (Raspberry Pi) vulnerabilities |
Ubuntu USN |
USN-5073-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-5073-2 | Linux kernel (GCP) vulnerabilities |
Ubuntu USN |
USN-5073-3 | Linux kernel (Raspberry Pi) vulnerabilities |
Ubuntu USN |
USN-5096-1 | Linux kernel (OEM) vulnerabilities |
Ubuntu USN |
USN-5106-1 | Linux kernel (OEM) vulnerabilities |
Ubuntu USN |
USN-5120-1 | Linux kernel (Azure) vulnerabilities |
Ubuntu USN |
USN-5299-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-5343-1 | Linux kernel vulnerabilities |
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Sat, 12 Jul 2025 13:45:00 +0000
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| Metrics |
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Projects
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Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2024-08-03T17:01:07.361Z
Reserved: 2021-06-21T00:00:00
Link: CVE-2021-3612
No data.
Status : Modified
Published: 2021-07-09T11:15:09.457
Modified: 2024-11-21T06:21:58.743
Link: CVE-2021-3612
OpenCVE Enrichment
No data.
Debian DLA
EUVD
Ubuntu USN