CVE-2021-47067

Summary

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux783807436f363e5b1ad4d43ba7debbedfcadbb99 < a1ad124c836816fac8bd5e461d36eaf33cee4e24affected
LinuxLinux783807436f363e5b1ad4d43ba7debbedfcadbb99 < dc4452867200fa94589b382740952b58aa1c3e6caffected
LinuxLinux783807436f363e5b1ad4d43ba7debbedfcadbb99 < ff39adf5d31c72025bba799aec69c5c86d81d549affected
LinuxLinux783807436f363e5b1ad4d43ba7debbedfcadbb99 < ef85bb582c41524e9e68dfdbde48e519dac4ab3daffected
LinuxLinux5.5affected
LinuxLinux0 < 5.5unaffected
LinuxLinux5.10.37 <= 5.10.*unaffected
LinuxLinux5.11.21 <= 5.11.*unaffected
LinuxLinux5.12.4 <= 5.12.*unaffected
LinuxLinux5.13 <= *unaffected

Weaknesses

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References