CVE-2020-27820

medium

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).

References

https://lore.kernel.org/dri-devel/[email protected]/

https://bugzilla.redhat.com/show_bug.cgi?id=1901726

https://lore.kernel.org/dri-devel/[email protected]/

https://lore.kernel.org/dri-devel/[email protected]/

Details

Source: MITRE

Published: 2021-11-03

Updated: 2021-11-04

Type: CWE-416

Risk Information

CVSS v2

Base Score: 4.7

Vector: AV:L/AC:M/Au:N/C:N/I:N/A:C

Impact Score: 6.9

Exploitability Score: 3.4

Severity: MEDIUM

CVSS v3

Base Score: 4.7

Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Impact Score: 3.6

Exploitability Score: 1

Severity: MEDIUM