CVE-2021-47067
kernel: soc/tegra: regulators: Fix locking up when voltage-spread is out of range
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · February 29, 2024
Updated · November 21, 2025
Description
In the Linux kernel, the following vulnerability has been resolved:
soc/tegra: regulators: Fix locking up when voltage-spread is out of range
Fix voltage coupler lockup which happens when voltage-spread is out of range due to a bug in the code. The max-spread requirement shall be accounted when CPU regulator doesn't have consumers. This problem is observed on Tegra30 Ouya game console once system-wide DVFS is enabled in a device-tree.
Statement
Red Hat Enterprise Linux 8 and 9 are not affected by this vulnerability.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 2.3CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
CWE-20 · Improper Input Validation