CVE-2021-47067

MEDIUM

Linux Kernel 5.5-5.10.37 5.11.21-5.11.* 5.12.4-5.12.* - Denial of Service via Voltage Coupler Lockup

Title source: llm
STIX 2.1

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.

References (4)

Core 4

Scores

CVSS v3 5.5
EPSS 0.0017
EPSS Percentile 6.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-667
Status published
Products (11)
Linux/Linux < 5.5
Linux/Linux 5.10.37 - 5.10.*
Linux/Linux 5.11.21 - 5.11.*
Linux/Linux 5.12.4 - 5.12.*
Linux/Linux 5.13
Linux/Linux 5.5
Linux/Linux 783807436f363e5b1ad4d43ba7debbedfcadbb99 - a1ad124c836816fac8bd5e461d36eaf33cee4e24
Linux/Linux 783807436f363e5b1ad4d43ba7debbedfcadbb99 - dc4452867200fa94589b382740952b58aa1c3e6c
Linux/Linux 783807436f363e5b1ad4d43ba7debbedfcadbb99 - ef85bb582c41524e9e68dfdbde48e519dac4ab3d
Linux/Linux 783807436f363e5b1ad4d43ba7debbedfcadbb99 - ff39adf5d31c72025bba799aec69c5c86d81d549
... and 1 more
Published Feb 29, 2024
Tracked Since Feb 18, 2026