CVE Vulnerability

CVE-2020-27820

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).

4.7 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.4 / Impact : 6.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

Scope

4.7 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 1 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://bugzilla.redhat.com/show_bug.cgi?id=1901726 Issue Tracking Patch
https://www.oracle.com/security-alerts/cpujul2022.html
https://lore.kernel.org/dri-devel/20201103194912.184413-3-jcline%40redhat.com/
https://lore.kernel.org/dri-devel/20201103194912.184413-2-jcline%40redhat.com/
https://lore.kernel.org/dri-devel/20201103194912.184413-4-jcline%40redhat.com/
Configurations

Configuration 1

cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
Information

Published : 2021-11-03 12:15

Updated : 2023-02-12 11:40

NVD link : CVE-2020-27820

Mitre link : CVE-2020-27820

Products Affected
No products.
CWE
CWE-416