Vulnerability in selinux: allow FIOCLEX and FIONCLEX with policy capability

Kernel Updated 02 Oct 2025

Summary

24/04/2022

Disclosed on

N/A

Severity

No i

Fix available

Unrated

Severity

Not published

CVSS Score

GSD-2022-1001797: selinux: allow FIOCLEX and FIONCLEX with policy capability. Affects Kernel versions < 55d192691b4b7063166e7feafbe44db24dbe205c. No fix is published. How to fix ↓

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Background

The selinux package is a security module for the Linux kernel that provides access control security policies. It enforces mandatory access control policies that restrict the actions of processes and users based on defined rules. The package is an integral part of the Linux kernel and is responsible for protecting the system from unauthorized access and ensuring the integrity of the system's resources.

Vulnerability Detail

The vulnerability identified in selinux allows the FIOCLEX and FIONCLEX operations to be performed with policy capability. This vulnerability can potentially be exploited by attackers to bypass security restrictions and gain unauthorized access to system resources. The impact and attack plausibility of this vulnerability have not been proven yet. The vulnerability has been fixed in Linux Kernel version v5.15.33 by commit 55d192691b4b7063166e7feafbe44db24dbe205c.

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

In conclusion, the vulnerability in selinux that allows FIOCLEX and FIONCLEX operations with policy capability can potentially lead to unauthorized access to system resources. It is recommended to update the Linux Kernel to version v5.15.33 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.

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