Vulnerability in drm/tegra: sor: Do not leak runtime PM reference

Kernel Updated 02 Oct 2025

Summary

30/06/2021

Disclosed on

N/A

Severity

No i

Fix available

Unrated

Severity

Not published

CVSS Score

UVI-2021-1000910: drm/tegra: sor: Do not leak runtime PM reference. Affects Kernel versions < e4c3f7a6a3b241aab8aaebe50b7dbf11b5d8a5ee. No fix is published. How to fix ↓

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Background

The drm/tegra package is a component of the Linux Kernel ecosystem. It provides support for the display subsystem on NVIDIA Tegra SoCs. The sor module within this package is responsible for managing the display output routing. The vulnerability in question involves a runtime PM reference leak within the sor module.

Vulnerability Detail

The vulnerability in the drm/tegra: sor module allows for the leakage of a runtime PM reference. This reference leak can lead to potential security vulnerabilities, although the exact impact and attack plausibility have not been proven. The vulnerability has been identified and fixed in Linux Kernel version v5.4.127 by commit e4c3f7a6a3b241aab8aaebe50b7dbf11b5d8a5ee.

How To Fix

No fixed version is published for this vulnerability.

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Conclusion

The vulnerability in the drm/tegra: sor module has the potential to introduce security vulnerabilities. It is recommended to update the Linux Kernel to version v5.4.127 or later to mitigate this issue. For further support on vulnerability remediation, please contact DevNack.com.

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