CVE-2021-38205
Public on 2021-08-08
Modified on 2021-10-04
Description
A flaw was found in the Linux kernel that allows attackers to defeat an ASLR protection mechanism because it prints a kernel pointer (i.e., the real IOMEM pointer). The highest threat from this vulnerability is to confidentiality.
Severity
Medium
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 1 | kernel | 2021-09-30 | ALAS-2021-1539 | Fixed |
| Amazon Linux 2 - Microvm-kernel-4.14 Extra | microvm-kernel | 2023-09-14 | ALAS2MICROVM-KERNEL-4.14-2023-002 | Fixed |
| Amazon Linux 2 - Microvm-kernel-4.14 Extra | microvm-kernel | 2023-09-14 | ALAS2MICROVM-KERNEL-4.14-2023-003 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 3.3 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
| NVD | CVSSv2 | 2.1 | AV:L/AC:L/Au:N/C:N/I:P/A:N |
| NVD | CVSSv3 | 3.3 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |