K03674368 : Linux kernel vulnerability CVE-2021-3715

Security Advisory 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. (CVE-2021-3715)

Impact

A local attacker may be able to exploit this vulnerability to escalate their privileges on the system.