#VU52488 Improper access control in nVidia products - CVE-2021-1076

Vulnerability identifier: #VU52488

Vulnerability risk: Low

CVSSv4.0: 4.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-1076

CWE-ID: CWE-284

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
R465
Hardware solutions / Drivers
R418
Hardware solutions / Drivers
R460
Hardware solutions / Drivers
R450
Hardware solutions / Drivers
R390
Hardware solutions / Drivers

Vendor: nVidia

Description

The vulnerability allows a local user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in the kernel mode layer (nvlddmkm.sys or nvidia.ko). A local user can bypass implemented security restrictions, leading to denial of service, information disclosure or data corruption.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

R465: before 465.24.02

R418: before 418.197.02

R460: before 390.143

R450: before 452.96

R390: before 392.65

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External links
https://nvidia.custhelp.com/app/answers/detail/a_id/5172

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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.