Use After Free Vulnerability in scsi: mpt3sas Package
Summary
GSD-2022-1001680: scsi: mpt3sas: Fix use after free in _scsih_expander_node_remove(). Affects Kernel versions >= 7d310f241001e090cf1ec0f3ae836b38d8c6ebec, < 25c1353dca74ad7cf3fd7ce258fe7c957a147d5e. No fix is published. How to fix ↓
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Background
The scsi: mpt3sas package is a component of the Linux Kernel that provides support for SAS (Serial Attached SCSI) host bus adapters. It allows the operating system to communicate with SAS devices such as hard drives, tape drives, and SSDs. The package is responsible for managing the SCSI (Small Computer System Interface) subsystem and handling I/O requests between the host and SAS devices.
Vulnerability Detail
The vulnerability identified as GSD-2022-1001680 in the scsi: mpt3sas package is a use after free issue in the _scsih_expander_node_remove() function. This vulnerability allows an attacker to exploit a memory corruption bug that occurs when a SCSI expander node is removed. By manipulating the system in a specific way, an attacker could trigger the use of freed memory, leading to a potential crash or arbitrary code execution. The impact and attack plausibility of this vulnerability have not been proven yet.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
There is no known workaround available for this vulnerability at the moment.
Conclusion
The use after free vulnerability in the scsi: mpt3sas package can be addressed by updating the Linux Kernel to version v5.15.34 or later. It is important to promptly apply the update to mitigate the potential risks associated with this vulnerability. For further support and assistance in vulnerability remediation, please contact DevNack.com.
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FAQ
The scsi: mpt3sas package is a component of the Linux Kernel that provides support for SAS host bus adapters and manages the SCSI subsystem.
A use after free vulnerability occurs when a program continues to use a memory location after it has been freed, leading to potential crashes or arbitrary code execution.
The impact of this vulnerability is not yet proven, but it could potentially result in system crashes or allow an attacker to execute arbitrary code.
To fix this vulnerability, update the Linux Kernel to version v5.15.34 or later, which includes the necessary patch to address the issue.
No, there is currently no known workaround for this vulnerability.
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