CVE-2021-38198
Public on 2021-08-08
Modified on 2021-10-04
Description
A flaw was found in the Linux kernel, where it incorrectly computes the access permissions of a shadow page. This issue leads to a missing guest protection page fault.
Severity
Low
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 - Core | kernel | 2021-09-08 | ALAS2-2021-1704 | Fixed |
| Amazon Linux 2 - Kernel-5.4 Extra | kernel | 2022-01-20 | ALAS2KERNEL-5.4-2022-006 | 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 | 6.4 | CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H |
| NVD | CVSSv3 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| NVD | CVSSv2 | 2.1 | AV:L/AC:L/Au:N/C:N/I:N/A:P |