Vulnerability identifier: #VU59554

Vulnerability risk: Low

CVSSv3.1: 6.2 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-34401

CWE-ID: CWE-284

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
SHIELD TV
Hardware solutions / Firmware

Vendor: nVidia

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.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

SHIELD TV: 6.0 - 8.0

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External links
http://nvidia.custhelp.com/app/answers/detail/a_id/5259

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.