CVE-2022-1462
Public on 2022-06-02
Modified on 2022-12-07
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.
Severity
Medium
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 1 | kernel | 2022-09-30 | ALAS-2022-1636 | Fixed |
| Amazon Linux 2 - Core | kernel | 2022-09-30 | ALAS2-2022-1852 | Fixed |
| Amazon Linux 2 - Kernel-5.10 Extra | kernel | 2022-08-15 | ALAS2KERNEL-5.10-2022-019 | Fixed |
| Amazon Linux 2 - Kernel-5.15 Extra | kernel | 2022-09-08 | ALAS2KERNEL-5.15-2022-007 | Fixed |
| Amazon Linux 2 - Kernel-5.4 Extra | kernel | 2022-09-08 | ALAS2KERNEL-5.4-2022-035 | Fixed |
| Amazon Linux 2023 | kernel | 2023-02-17 | ALAS2023-2023-070 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 6.3 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H |
| NVD | CVSSv2 | 3.3 | AV:L/AC:M/Au:N/C:P/I:N/A:P |
| NVD | CVSSv3 | 6.3 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H |