Vulnerabilities > CVE-2022-1462
Attack vector
LOCAL Attack complexity
HIGH Privileges required
LOW Confidentiality impact
HIGH Integrity impact
NONE Availability impact
HIGH Summary
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.
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| Application | 1 | |
| OS | 2 | |
| OS | 1 |
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2078466
- https://bugzilla.redhat.com/show_bug.cgi?id=2078466
- https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html
- https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html
- https://seclists.org/oss-sec/2022/q2/155
- https://seclists.org/oss-sec/2022/q2/155