PT-2021-20503 · Nvidia · Nvidia Tlk

Frédéric Perriot · Published 2021-06-22 · Updated 2021-09-20 · CVE-2021-34390

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions: Trusty (affected versions not specified)

Description: The issue is related to a lack of checks in the NVIDIA TLK kernel function, allowing the exploitation of an integer overflow. This can be triggered by a user through a specific SMC call, potentially leading to denial of service. The tz map shared mem function is specifically mentioned as being vulnerable to an integer overflow on its size parameter.

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

Integer Overflow

Weakness Enumeration

CWE-190

Related Identifiers

CVE-2021-34390

Affected Products

Nvidia Tlk

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2021-34390 · Security Note
• https://osv.dev/vulnerability/CVE-2021-34390 · Vendor Advisory
• https://nvidia.custhelp.com/app/answers/detail/a_id/5205 · Vendor Advisory
• https://t.me/cvenotify/17789 · Telegram Post
• https://t.me/cvenotify/16715 · Telegram Post
• https://t.me/cibsecurity/25636 · Telegram Post