Improper access control in SHIELD TV - CVE-2021-34401
Published: January 12, 2022
Vulnerability identifier: #VU59554
CSH Severity: Low
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-34401
CWE-ID: CWE-284
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
SHIELD TV
How to mitigate CVE-2021-34401
Install updates from vendor's website.
SHIELD TV - update to 9.0