Vulnerability in powerpc/rtas package: Keep MSR[RI] set when calling RTAS

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-2022-1003043: powerpc/rtas: Keep MSR[RI] set when calling RTAS. Affects Kernel versions < 5f4367448f6817c8a0e94dc9736ed84fa8eee4a3. No fix is published. How to fix ↓

Free scan

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.

Check my app free

No signup required · Results in about 60 seconds

Upload your dependency manifest or SBOM

Drag & drop your file here or Browse

Java Javascript PHP Python Go Rust Ruby Dart C/C++ Elixir CycloneDX SPDX

Upload a supported dependency manifest or SBOM. No installation or source-code access required.

See supported files and SBOM formats

SBOM sbom.json · bom.json · bom.xml · *.spdx.json · *.cdx.json · *.cdx.xml

Java pom.xml · gradle.lockfile · buildscript-gradle.lockfile

Javascript package-lock.json · yarn.lock · pnpm-lock.yaml

PHP composer.lock

Python poetry.lock · requirements.txt · Pipfile.lock

Go go.mod

Rust Cargo.lock

Ruby Gemfile.lock

Dart pubspec.lock

C/C++ conan.lock

Elixir mix.lock

Enter your work email to receive your report link.

Verify your email to view the full report and start 30 days of continuous monitoring. No credit card required.

Background

The powerpc/rtas package is a component of the Linux Kernel, which is responsible for handling the runtime abstraction services (RTAS) on PowerPC architectures. RTAS provides a standardized interface for accessing firmware services on PowerPC systems. The package is crucial for proper functioning and communication with the underlying hardware. However, a vulnerability has been discovered in the powerpc/rtas package that could potentially lead to security issues.

Vulnerability Detail

The vulnerability in the powerpc/rtas package involves the failure to keep the MSR[RI] (Machine State Register, Recoverable Interrupt) set when calling RTAS. This oversight could allow an attacker to exploit the vulnerability and potentially execute arbitrary code or perform unauthorized actions on the system. The impact and attack plausibility of this vulnerability have not been proven yet, but it is essential to address it to ensure the security of the system.

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 →

Conclusion

In conclusion, the powerpc/rtas package in the Linux Kernel is vulnerable to a security issue related to the failure to keep the MSR[RI] set when calling RTAS. To address this vulnerability, it is crucial to update the Linux Kernel to version v5.17.14 or later. For further assistance and support in vulnerability remediation, please contact DevNack.com.

See every vulnerability recorded for Kernel →