PT-2022-1476 · Nvidia · Nvidia Linux Kernel+2

Published 2022-01-12 · Updated 2022-01-25 · CVE-2021-34401

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions NVIDIA Linux kernel distributions (affected versions not specified)

Description The issue is related to improper access control in the nvmap NVGPU IOCTL CHANNEL SET ERROR NOTIFIER system call, which may lead to code execution, compromised integrity, or denial of service. This vulnerability is associated with the NVIDIA Shield TV Experience device and its memory management driver, NVMAP.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Access Control

Incorrect Authorization

Weakness Enumeration

CWE-284

CWE-863

Related Identifiers

BDU:2022-00621

CVE-2021-34401

Affected Products

Nvidia Linux Kernel

Nvidia Shield Tv

Nvmap

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2021-34401 · Security Note
• https://bdu.fstec.ru/vul/2022-00621 · Security Note
• https://nvidia.custhelp.com/app/answers/detail/a_id/5259 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-34401 · Vendor Advisory
• https://t.me/cibsecurity/35722 · Telegram Post