CVE-2021-34403: Use After Free
First published: Tue Jan 18 2022(Updated: )
NVIDIA Linux distributions contain a vulnerability in nvmap ioctl, which allows any user with a local account to exploit a use-after-free condition, leading to code privilege escalation, loss of confidentiality and integrity, or denial of service.
Credit: psirt@nvidia.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Nvidia Shield Experience | <9.0 | |
| Google Android |
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Reference Links
Frequently Asked Questions
What is CVE-2021-34403?
CVE-2021-34403 is a vulnerability in NVIDIA Linux distributions that allows any user with a local account to exploit a use-after-free condition, leading to code privilege escalation, loss of confidentiality and integrity, or denial of service.
How severe is the vulnerability CVE-2021-34403?
The severity of CVE-2021-34403 is rated as high with a CVSS score of 7.8.
Which software is affected by CVE-2021-34403?
NVIDIA Linux distributions, specifically Nvidia Shield Experience up to version 9.0, are affected by CVE-2021-34403.
How can an attacker exploit CVE-2021-34403?
An attacker with a local account can exploit CVE-2021-34403 by leveraging the nvmap ioctl vulnerability to execute arbitrary code and escalate privileges.
How can I fix the vulnerability CVE-2021-34403?
To fix the vulnerability CVE-2021-34403, users should apply the necessary security updates provided by NVIDIA.
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