CVE-2020-27820

MEDIUM

Linux Kernel 2.6.12-5.4.161 - Use-After-Free in Nouveau Postclose Handler

Title source: llm
STIX 2.1

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 (5)

Core 5
Core References
Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://bugzilla.redhat.com/show_bug.cgi?id=1901726
Third Party Advisory x_refsource_misc
https://www.oracle.com/security-alerts/cpujul2022.html

Scores

CVSS v3 4.7
EPSS 0.0047
EPSS Percentile 37.3%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-416
Status published
Products (6)
fedoraproject/fedora 33
linux/linux_kernel 2.6.12 (6 CPE variants)
linux/linux_kernel 2.6.12 - 5.4.162
oracle/communications_cloud_native_core_binding_support_function 22.1.3
oracle/communications_cloud_native_core_network_exposure_function 22.1.1
oracle/communications_cloud_native_core_policy 22.2.0
Published Nov 03, 2021
Tracked Since Feb 18, 2026