parisc: Clear stale IIR value on instruction access rights trap
Summary
GSD-2022-1000047: parisc: Clear stale IIR value on instruction access rights trap. Affects Kernel versions < d01e9ce1af6116f812491d3d3873d204f10ae0b8. No fix is published. How to fix ↓
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Background
The parisc package is a component of the Linux Kernel, which is responsible for supporting the PA-RISC architecture. PA-RISC is an instruction set architecture used in Hewlett-Packard's PA-RISC-based computer systems. The parisc package provides the necessary functionality for executing instructions and managing system resources on PA-RISC systems. However, a vulnerability has been discovered in the parisc package that could potentially be exploited by attackers.
Vulnerability Detail
The vulnerability in the parisc package involves a failure to clear a stale IIR (Instruction Interrupt Register) value on an instruction access rights trap. This could lead to incorrect execution of instructions or unauthorized access to sensitive information. Attackers may be able to exploit this vulnerability to execute arbitrary code or escalate their privileges on a vulnerable system. The impact and attack plausibility of this vulnerability have not yet been proven.
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 parisc package in the Linux Kernel is vulnerable to a potential code execution or privilege escalation attack due to a failure to clear a stale IIR value on an instruction access rights trap. Users should update their Linux Kernel to version v5.10.90 or later to fix this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The parisc package is a component of the Linux Kernel that supports the PA-RISC architecture used in Hewlett-Packard's PA-RISC-based computer systems.
The impact of this vulnerability is not yet proven, but it could potentially allow attackers to execute arbitrary code or escalate their privileges on a vulnerable system.
Yes, this vulnerability has been fixed in the Linux Kernel version v5.10.90 by commit d01e9ce1af6116f812491d3d3873d204f10ae0b8.
To fix this vulnerability, you should update your Linux Kernel to version v5.10.90 or later by downloading the updated kernel source code from the official Linux Kernel repository and compiling it for your system configuration.
No specific workaround has been mentioned for this vulnerability.
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