Amazon Linux AMI update for nvidia

1) Improper access control

EUVDB-ID: #VU52488

Risk: Low

CVSSv3.1: 5.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-1076

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

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

Update the affected packages:

src:
    nvidia-418.197.02-2018.03.117.amzn1.src

x86_64:
    nvidia-418.197.02-2018.03.117.amzn1.x86_64
    nvidia-dkms-418.197.02-2018.03.117.amzn1.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

External links

http://alas.aws.amazon.com/ALAS-2021-1495.html

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.