CyberRota Analysis
This is a medium severity vulnerability with a CVSS score of 5.5. It affects Linux. It may lead to a denial-of-service condition.
CVE
CVE-2021-20219
Severity
MEDIUM
CVSS
5.5
EPSS
0.40%
Linux
Original NVD 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.
Related CVEs
Other vulnerabilities affecting the same vendor(s)