parisc: Fix non-access data TLB cache flush faults in Kernel
Summary
GSD-2022-1001153: parisc: Fix non-access data TLB cache flush faults. Affects Kernel versions < ddca4b82027e2a66333dd40fab21a4beff435c7e. 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
Habilume
Habit tracker with a companion that grows with you
Complete habits, earn Lume Points, and watch your Lume grow as you stay consistent.
Background
The Kernel is a critical component of the Linux operating system that provides core functionalities and interfaces with hardware devices. It manages system resources, including memory, processes, and input/output operations. The parisc architecture is a specific variant of the Kernel designed for the PA-RISC (Precision Architecture Reduced Instruction Set Computer) platform. The vulnerability in question relates to non-access data TLB (Translation Lookaside Buffer) cache flush faults.
Vulnerability Detail
The vulnerability in the parisc architecture of the Kernel allows for non-access data TLB cache flush faults. This issue can potentially be exploited by attackers to manipulate the TLB cache and cause unexpected behavior or security breaches. The exact impact and attack plausibility are yet to be proven. It is important to note that this vulnerability has been fixed in Linux Kernel version v5.17.2 by commit ddca4b82027e2a66333dd40fab21a4beff435c7e.
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 parisc architecture of the Kernel is vulnerable to non-access data TLB cache flush faults. This vulnerability can potentially be exploited to manipulate the TLB cache and cause unexpected behavior or security breaches. It is crucial to update the Kernel to version v5.17.2 or later to fix this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for Kernel →
FAQ
The parisc architecture is a variant of the Kernel designed for the PA-RISC platform, which is a reduced instruction set computer architecture developed by Hewlett-Packard (HP). It was primarily used in HP's PA-RISC workstations and servers.
A TLB (Translation Lookaside Buffer) cache is a hardware component that stores recently accessed virtual-to-physical memory address translations. It helps improve memory access performance by reducing the need for frequent translation lookups.
Non-access data TLB cache flush faults refer to issues related to flushing the TLB cache for non-access data. These faults can occur when attempting to manipulate the TLB cache in a way that is not intended or supported, leading to potential system instability or security vulnerabilities.
The exact exploitation methods for this vulnerability have not been proven. However, attackers may attempt to manipulate the TLB cache through specific operations or inputs to cause unexpected behavior or security breaches.
Yes, this vulnerability has been fixed in Linux Kernel version v5.17.2 by commit ddca4b82027e2a66333dd40fab21a4beff435c7e. Users are advised to update their Kernel to this version or a later one to mitigate the vulnerability.
Related vulnerabilities
Recent vulnerabilities recorded for Kernel.
Habilume
Habit tracker with a companion that grows with you
Complete habits, earn Lume Points, and watch your Lume grow as you stay consistent.
