Vulnerability in powerpc/64s/interrupt in Kernel
Summary
GSD-2023-1002360: powerpc/64s/interrupt: Fix interrupt exit race with security mitigation switch. Affects Kernel versions >= 13799748b957bc5659f97c036224b0f4b42172e2, < 86f7e423933608d536015a0f2eb9e0338c1227e0. No fix is published. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
The Kernel is a crucial component of the Linux operating system that provides core functionalities and acts as an interface between hardware and software. It is responsible for managing system resources, handling device drivers, and facilitating communication between different software components. The powerpc/64s/interrupt module within the Kernel specifically deals with interrupt handling on PowerPC 64-bit systems. Interrupts are signals generated by hardware devices to request attention from the CPU. This module ensures proper handling and execution of interrupt requests on PowerPC 64-bit systems.
Vulnerability Detail
The identified vulnerability in the powerpc/64s/interrupt module involves an interrupt exit race condition when interacting with the security mitigation switch. This race condition can potentially lead to security vulnerabilities, although the exact impact and attack plausibility have not been proven yet. The vulnerability was introduced in version v5.14 of the Linux Kernel by commit 13799748b957bc5659f97c036224b0f4b42172e2 and has been fixed in version v5.15.94 by commit 86f7e423933608d536015a0f2eb9e0338c1227e0.
How To Fix
No fixed version is published for this vulnerability.
Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →
Workaround
No specific workaround has been mentioned for this vulnerability.
Conclusion
In conclusion, the powerpc/64s/interrupt module in the Linux Kernel is vulnerable to an interrupt exit race condition when interacting with the security mitigation switch. This vulnerability can potentially lead to security vulnerabilities in affected systems. To mitigate this issue, it is recommended to update the Linux Kernel to version v5.15.94 or later. For further support and assistance in vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for Kernel →
FAQ
The exact impact of this vulnerability is currently unknown. However, it has the potential to introduce security vulnerabilities in systems running the affected versions of the Linux Kernel.
You can use the Vulert Playground (https://vulert.com/scanner) to check if your system is affected by this vulnerability. Simply upload your package-lock.json file to the playground, and it will analyze and alert you in real-time if any open-source vulnerabilities, including this one, are detected.
Yes, a patch for this vulnerability has been released in version v5.15.94 of the Linux Kernel. It is recommended to update to this version or later to fix the vulnerability.
No specific temporary measures have been mentioned for this vulnerability. It is advisable to update the Kernel as soon as possible to ensure the security of your system.
You can find more information about this vulnerability in the vulnerability database maintained by the Cloud Security Alliance. The specific vulnerability ID is GSD-2023-1002360, and the database entry can be accessed at https://github.com/cloudsecurityalliance/gsd-database/blob/main/2023/1002xxx/GSD-2023-1002360.json.
Related vulnerabilities
Recent vulnerabilities recorded for Kernel.
