CVE-2022-2977
Public on 2022-09-14
Modified on 2024-05-06
Description
A flaw was found in the Linux kernel implementation of proxied virtualized TPM devices. On a system where virtualized TPM devices are configured (this is not the default) a local attacker can create a use-after-free and create a situation where it may be possible to escalate privileges on the system.
Severity
Important
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 1 | kernel | 2022-05-31 | ALAS-2022-1591 | Fixed |
| Amazon Linux 2 - Kernel-5.4 Extra | kernel | Pending Fix | ||
| Amazon Linux 2 - Kernel-5.15 Extra | kernel | Not Affected | ||
| Amazon Linux 2 - Core | kernel | 2024-06-06 | ALAS2-2024-2569 | Fixed |
| Amazon Linux 2 - Kernel-5.10 Extra | kernel | 2023-06-29 | ALAS2KERNEL-5.10-2023-036 | Fixed |
| Amazon Linux 2023 | kernel | Not Affected |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | CVSSv3 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |