CVE-2021-3612 — Improper Input Validation in Kernel
Severity
7.8HIGHNVD
OSV8.7OSV6.5OSV5.5OSV5.4
EPSS
0.1%
top 74.99%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJul 9
Latest updateMay 24
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9
Affected Packages8 packages
Also affects: Debian Linux 9.0, Enterprise Linux 7.0, 8.0, Fedora 34
Patches
🔴Vulnerability Details
14GHSA▶
GHSA-3g5m-332q-27r3: An out-of-bounds memory write flaw was found in the Linux kernel's joystick devices subsystem in versions before 5↗2022-05-24