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).
Severity
Low severity
Low
CVSS v3 Base Score
4.1
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 2 - Kernel-5.10 Extra kernel 2022-01-21 ALAS2KERNEL-5.10-2022-008 Fixed
Amazon Linux 2 - Kernel-5.10 Extra kernel 2024-02-01 ALAS2KERNEL-5.10-2024-049 Fixed
Amazon Linux 2 - Kernel-5.4 Extra kernel 2022-01-20 ALAS2KERNEL-5.4-2022-010 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