parisc: Fix data TLB miss in sba_unmap_sg
Summary
GSD-2022-1000449: parisc: Fix data TLB miss in sba_unmap_sg. Affects Kernel versions < 8c8e949ae81e7f5ab58f9f9f8e9b573b93173dd2. 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 managing the hardware and software resources of the Parisc architecture. It provides support for Parisc-based systems, including processors, memory management, and device drivers. The vulnerability in question affects the data TLB miss in the sba_unmap_sg function.
Vulnerability Detail
The vulnerability arises from a data TLB miss in the sba_unmap_sg function of the parisc package. This issue could potentially be exploited by an attacker to gain unauthorized access or execute arbitrary code on a Parisc-based system. The impact and attack plausibility of this vulnerability have not been proven yet. It is important to note that this vulnerability has been fixed in the Linux Kernel version v5.15.25 by commit 8c8e949ae81e7f5ab58f9f9f8e9b573b93173dd2.
How To Fix
No fixed version is published for this vulnerability.
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Conclusion
In conclusion, the parisc package in the Linux Kernel is vulnerable to a data TLB miss in the sba_unmap_sg function. It is recommended to update the Linux Kernel to version v5.15.25 or later to fix this vulnerability. For further support on vulnerability remediation, you can contact DevNack.com.
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FAQ
The impact of this vulnerability is not yet proven. However, if successfully exploited, an attacker could gain unauthorized access or execute arbitrary code on a Parisc-based system.
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 and the Vulert Playground will analyze it for any open-source vulnerabilities, including this one.
No specific workaround has been provided for this vulnerability. It is recommended to update the Linux Kernel to the fixed version.
You can find more information about the fix in the commit 8c8e949ae81e7f5ab58f9f9f8e9b573b93173dd2 of the Linux Kernel repository. The commit message should provide details about the changes made to address this vulnerability.
The discovery of this vulnerability was automated and reported by the Open Source Vulnerability Database (OSVDB).
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