cve/2021/CVE-2021-20219.md

CVE-2021-20219

Description

A denial of service vulnerability was found in n_tty_receive_char_special in drivers/tty/n_tty.c of the Linux kernel. In this flaw a local attacker with a normal user privilege could delay the loop (due to a changing ldata->read_head, and a missing sanity check) and cause a threat to the system availability.

POC

Reference

No PoCs from references.

Github

• https://github.com/ARPSyndicate/cvemon