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CVE-2021-4083

HIGH CVSS: 7.0 Published: 2022-01-18 Modified: 2026-06-17

Description

A read-after-free memory flaw was found in the Linux kernel's garbage collection for Unix domain socket file handlers in the way users call close() and fget() simultaneously and can potentially trigger a race condition. This flaw allows a local user to crash the system or escalate their privileges on the system. This flaw affects Linux kernel versions prior to 5.16-rc4.

Affected Platforms

Netapp SolidfireNetapp Hci Management NodeNetapp H300S FirmwareNetapp H700E FirmwareDebian Debian LinuxLinux Linux KernelNetapp H700SOracle Communications Cloud Native Core Network Exposure FunctionOracle Communications Cloud Native Core Binding Support FunctionNetapp H410S

Weakness Type

CWE-416, CWE-362

References