parisc: Fix data TLB miss in sba_unmap_sg
Summary
GSD-2022-1000534: parisc: Fix data TLB miss in sba_unmap_sg. Affects Kernel versions < e40ae3133ed87d6d526f3c8fc6a5f9a2d72dcdbf. 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 system. It specifically focuses on the PA-RISC architecture. The vulnerability in question relates to a 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 within the parisc package. This issue could potentially be exploited by an attacker to gain unauthorized access or execute arbitrary code on the affected 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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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 v5.16.11 or later to address 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 focuses on the PA-RISC architecture.
A data TLB miss refers to a situation where the Translation Lookaside Buffer (TLB) does not contain the required mapping for a data access, resulting in a cache miss and the need to retrieve the data from main memory.
If successfully exploited, this vulnerability could allow an attacker to gain unauthorized access or execute arbitrary code on the affected system.
No, the impact and attack plausibility of this vulnerability have not yet been proven.
To fix this vulnerability, update the Linux Kernel to version v5.16.11 or later by applying commit e40ae3133ed87d6d526f3c8fc6a5f9a2d72dcdbf from the official Linux Kernel repository.
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