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CVE-2021-4028

HIGH CVSS: 7.8 Published: 2022-08-24 Modified: 2026-06-17

Description

A flaw in the Linux kernel's implementation of RDMA communications manager listener code allowed an attacker with local access to setup a socket to listen on a high port allowing for a list element to be used after free. Given the ability to execute code, a local attacker could leverage this use-after-free to crash the system or possibly escalate privileges on the system.

Affected Platforms

Linux Linux KernelSuse Linux Enterprise

Weakness Type

CWE-416, CWE-416

References