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Unrated severityNVD Advisory· Published Apr 10, 2024· Updated May 4, 2025

iavf: free q_vectors before queues in iavf_disable_vf

CVE-2021-47201

Description

In the Linux kernel, the following vulnerability has been resolved:

iavf: free q_vectors before queues in iavf_disable_vf

iavf_free_queues() clears adapter->num_active_queues, which iavf_free_q_vectors() relies on, so swap the order of these two function calls in iavf_disable_vf(). This resolves a panic encountered when the interface is disabled and then later brought up again after PF communication is restored.

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Affected products

191

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