CVE-2020-29660
Public on 2020-12-09
Modified on 2021-01-26
Description
A locking inconsistency issue was discovered in the tty subsystem of the Linux kernel. A local user could use this flaw to read numerical value from memory after free.
Severity
Medium
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 1 | kernel | 2021-01-26 | ALAS-2021-1477 | Fixed |
| Amazon Linux 2 - Core | kernel | 2021-01-25 | ALAS2-2021-1588 | Fixed |
| Amazon Linux 2 - Kernel-5.4 Extra | kernel | 2022-01-20 | ALAS2KERNEL-5.4-2022-019 | Fixed |
| Amazon Linux 2 - Livepatch Extra | kernel-livepatch-4.14.200-155.322 | 2021-01-19 | ALAS2LIVEPATCH-2021-031 | Fixed |
| Amazon Linux 2 - Livepatch Extra | kernel-livepatch-4.14.203-156.332 | 2021-01-19 | ALAS2LIVEPATCH-2021-032 | Fixed |
| Amazon Linux 2 - Livepatch Extra | kernel-livepatch-4.14.209-160.335 | 2021-01-19 | ALAS2LIVEPATCH-2021-033 | Fixed |
| Amazon Linux 2 - Livepatch Extra | kernel-livepatch-4.14.209-160.339 | 2021-01-19 | ALAS2LIVEPATCH-2021-034 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 4.4 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N |
| NVD | CVSSv2 | 2.1 | AV:L/AC:L/Au:N/C:P/I:N/A:N |
| NVD | CVSSv3 | 4.4 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N |