Voluntarily Schedule During Key Setting in s390/gmap

Kernel Updated 02 Oct 2025

Summary

28/06/2022

Disclosed on

N/A

Severity

No i

Fix available

Unrated

Severity

Not published

CVSS Score

GSD-2022-1003464: s390/gmap: voluntarily schedule during key setting. Affects Kernel versions < 01137d898039cd1ca44effc8f35b35e39309d078. No fix is published. How to fix ↓

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Background

The s390/gmap package is a component of the Linux Kernel, which is responsible for managing the General Purpose Register (GPR) mapping on IBM System z architecture. It provides functionality for mapping virtual addresses to physical addresses and plays a critical role in the execution of programs on the system. The vulnerability identified in this package relates to a scheduling issue during key setting.

Vulnerability Detail

The vulnerability in s390/gmap allows for voluntary scheduling during key setting operations. This means that an attacker could potentially exploit this flaw to interrupt or manipulate the key setting process, leading to unauthorized access, privilege escalation, or other security breaches. The impact and attack plausibility of this vulnerability have not been proven yet.

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 s390/gmap package in the Linux Kernel is vulnerable to a scheduling issue during key setting. This vulnerability could potentially lead to unauthorized access or privilege escalation. It is recommended to update the kernel to the latest version to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.

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