CVE-2021-20219CWE-697

A denial of service vulnerability was found in n_tty_receive_char_special in drivers/tty/n_tty.c of the Linux kernel

published March 23, 2021

CVSS
—
EPSS
0%
Percentile
33.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00401 · 33.2th percentile
Weakness
CWE-697 · Incorrect Comparison
Published
2021-03-23T16:34Z
EPSS history
Timeline
  • 23 MAR 16:34Z
    A denial of service vulnerability was found in n_tty_receive_char_special in drivers/tty/n_tty.c of the Linux kernel
    cvelistv5