Improper access control in SHIELD TV - CVE-2021-34401

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Main Vulnerability Database Vulnerabilities #VU59554

Improper access control in SHIELD TV - CVE-2021-34401

Published: January 12, 2022


Vulnerability identifier: #VU59554
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-34401
CWE-ID: CWE-284
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: nVidia
Affected software:
SHIELD TV

Detailed vulnerability description

The vulnerability allows a malicious application to escalate privileges on the system.

The vulnerability exists due to improper access restrictions in nvmap NVGPU_IOCTL_CHANNEL_SET_ERROR_NOTIFIER. A malicious application can bypass implemented security restrictions and escalate privileges on the system.


How to mitigate CVE-2021-34401

Install updates from vendor's website.

Sources