Race Condition Vulnerability in ibmvnic Package
Summary
GSD-2022-1001831: ibmvnic: fix race between xmit and reset. Affects Kernel versions >= 7ed5b31f4a6695a21f617df07646e9b15c6c1d29, < 1bd58abf595b6cf1ba6dd47ec887c4c009155fc9. No fix is published. How to fix ↓
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Background
The ibmvnic package is a component of the Linux Kernel ecosystem. It provides support for IBM Virtual NIC (ibmvnic) devices, which are used in IBM Power Systems. These devices allow virtual machines to communicate with the underlying physical network. The ibmvnic package is responsible for managing the network interface cards and handling data transmission and reception.
Vulnerability Detail
The identified vulnerability in the ibmvnic package is a race condition between the transmit (xmit) operation and the reset operation. A race condition occurs when multiple threads or processes access shared resources concurrently, leading to unexpected behavior or corruption of data. In this case, the race condition can occur when a transmit operation is in progress while a reset operation is triggered. This can result in inconsistent state and potential data corruption or system instability. The vulnerability was introduced in version v5.4 of the Linux Kernel and has been fixed in version v5.15.33.
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 race condition vulnerability in the ibmvnic package can be mitigated by updating the Linux Kernel to version v5.15.33 or later. This update includes the necessary fix to address the race condition between xmit and reset operations. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
A race condition is a software defect that occurs when multiple threads or processes access shared resources concurrently, leading to unexpected behavior or data corruption.
The race condition vulnerability in the ibmvnic package can result in inconsistent state, potential data corruption, or system instability.
The vulnerability was introduced in version v5.4 of the Linux Kernel.
Yes, the vulnerability has been fixed in version v5.15.33 of the Linux Kernel.
Users can obtain the updated Linux Kernel from the official Linux Kernel repository.
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