Unconditional security_locked_down() call in perf/core

Kernel Updated 02 Oct 2025

Summary

31/05/2021

Disclosed on

N/A

Severity

No i

Fix available

Unrated

Severity

Not published

CVSS Score

GSD-2021-1000086: perf/core: Fix unconditional security_locked_down() call. Affects Kernel versions >= b0c8fdc7fdb77586c3d1937050925b960743306e, < c7b0208ee370b89d20486fae71cd9abb759819c1. No fix is published. How to fix ↓

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Background

The perf/core component is a part of the Linux Kernel, which is responsible for performance monitoring and profiling. It provides tools and interfaces for analyzing system performance. The vulnerability in question involves an unconditional call to the security_locked_down() function.

Vulnerability Detail

The vulnerability arises from an unconditional call to the security_locked_down() function in perf/core. This call can bypass security measures and potentially allow unauthorized access or execution of malicious code. The impact and attack plausibility of this vulnerability have not been proven yet. The vulnerability was introduced in Linux Kernel version v5.4 and has been fixed in version v5.12.2.

How To Fix

No fixed version is published for this vulnerability.

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Workaround

There is no specific workaround mentioned for this vulnerability.

Conclusion

The vulnerability in perf/core involving the unconditional security_locked_down() call has been addressed in Linux Kernel version v5.12.2. It is recommended to update to this version or later to mitigate the vulnerability. For further support on vulnerability remediation, please contact DevNack.com.

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