CVE-2022-1462

Published Jun 2, 2022

Last updated 2 years ago

Overview

Description
An out-of-bounds read flaw was found in the Linux kernel’s TeleTYpe subsystem. The issue occurs in how a user triggers a race condition using ioctls TIOCSPTLCK and TIOCGPTPEER and TIOCSTI and TCXONC with leakage of memory in the flush_to_ldisc function. This flaw allows a local user to crash the system or read unauthorized random data from memory.
Source
secalert@redhat.com
NVD status
Analyzed

Risk scores

CVSS 3.1

Type
Primary
Base score
6.3
Impact score
5.2
Exploitability score
1
Vector string
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H
Severity
MEDIUM

CVSS 2.0

Type
Primary
Base score
3.3
Impact score
4.9
Exploitability score
3.4
Vector string
AV:L/AC:M/Au:N/C:P/I:N/A:P

Weaknesses

secalert@redhat.com
CWE-362
nvd@nist.gov
CWE-362

Social media

Hype score
Not currently trending

Configurations