NetSight
high7.8

CVE-2021-3715

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 classificati…

Impact

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 products

VendorProductAffected versions
LinuxLinux Kernel
from 3.18 before 4.4.218
from 4.5 before 4.9.218
from 4.10 before 4.14.175
from 4.15 before 4.19.114
from 4.20 before 5.4.29
from 5.5.0 before 5.5.14

Weakness classification

References