CVE-2020-27820
Public on 2021-11-03
Modified on 2022-01-10
Description
A vulnerability was found in Linux kernel, where a use-after-frees in nouveau's postclose() handler could happen if removing device (that is not common to remove video card physically without power-off, but same happens if unbind the driver).
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 2 - Kernel-5.10 Extra | kernel | 2022-01-28 | ALAS2KERNEL-5.10-2022-008 | Fixed |
| Amazon Linux 2 - Kernel-5.10 Extra | kernel | 2024-02-05 | ALAS2KERNEL-5.10-2024-049 | Fixed |
| Amazon Linux 2 - Kernel-5.4 Extra | kernel | 2022-01-28 | ALAS2KERNEL-5.4-2022-010 | Fixed |
| Amazon Linux 2 - Kernel-5.4 Extra | kernel | 2025-02-04 | ALAS2KERNEL-5.4-2025-093 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 4.1 | CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H |
| NVD | CVSSv2 | 4.7 | AV:L/AC:M/Au:N/C:N/I:N/A:C |
| NVD | CVSSv3 | 4.7 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H |