CVE-2022-1462

MEDIUM

Linux Kernel - Out-of-Bounds Read via TeleTYpe Subsystem Race Condition

Title source: llm
STIX 2.1

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.

References (3)

Core 3
Core References
Mailing List, Third Party Advisory mailing-list
https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html
Issue Tracking, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2078466
Exploit, Mailing List, Third Party Advisory
https://seclists.org/oss-sec/2022/q2/155

Scores

CVSS v3 6.3
EPSS 0.0005
EPSS Percentile 14.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H

Details

CWE
CWE-362
Status published
Products (4)
debian/debian_linux 10.0
linux/linux_kernel
redhat/enterprise_linux 8.0
redhat/enterprise_linux 9.0
Published Jun 02, 2022
Tracked Since Feb 18, 2026