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CVE-2021-3715

HIGH CVSS: 7.8 Published: 2022-03-02 Modified: 2026-06-17

Description

A flaw was found in the "Routing decision" classifier in the Linux kernel's Traffic Control networking subsystem in the way it handled changing of classification filters, leading to a use-after-free condition. This flaw allows unprivileged local users to escalate their privileges on the system. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

Affected Platforms

Linux Linux Kernel

Weakness Type

CWE-416, CWE-416

References