Vulnerability in selinux: fix sleeping function called from invalid context

Kernel Updated 02 Oct 2025

Summary

27/12/2021

Disclosed on

N/A

Severity

No i

Fix available

Unrated

Severity

Not published

CVSS Score

GSD-2021-1002756: selinux: fix sleeping function called from invalid context. Affects Kernel versions >= 69c4a42d72eb9b41e1c6e4bc9ab7f3650bf35f62, < d1bac0d97bc9b18b7c077a66375cc4282d01c367. No fix is published. How to fix ↓

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Background

The selinux package is a security module in the Linux Kernel that provides access control security policies. It enforces mandatory access control policies, restricting the actions that processes can perform based on defined rules. This vulnerability affects the selinux package in the Linux Kernel.

Vulnerability Detail

The vulnerability in selinux involves a sleeping function being called from an invalid context. This can lead to various security issues, including potential privilege escalation or denial of service attacks. The vulnerability was introduced in version v5.13 of the Linux Kernel and was fixed in version v5.15.11 by commit d1bac0d97bc9b18b7c077a66375cc4282d01c367.

How To Fix

No fixed version is published for this vulnerability.

To fix this vulnerability, it is recommended to update the Linux Kernel to version v5.15.11 or later. This can be done by pulling the latest changes from the official Linux Kernel repository: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/

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Workaround

No specific workaround has been provided for this vulnerability.

Conclusion

In conclusion, the selinux package in the Linux Kernel is vulnerable to a sleeping function being called from an invalid context. This can have serious security implications, including potential privilege escalation or denial of service attacks. It is recommended to update the Linux Kernel to version v5.15.11 or later to fix this vulnerability. For further support on vulnerability remediation, you can contact DevNack.com.

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