Marvell mwifiex NULL Pointer Dereference Fix in mwifiex_get_priv_by_id

From this webpage screenshot, we can extract the following key information about the vulnerability: 1. Vulnerability Description: - Issue: The function returns and without checking whether is in use. - Impact: Unused pointers lack an associated , potentially leading to NULL pointer dereference, which may cause errors in other functions on the stack. 2. Trigger Conditions: - Configuration: Start in Access Point mode with configuration . - Behavior: When waiting for the AP to establish a connection, interrupting and restarting it triggers the error. 3. Error Information: - Stack Trace: Displays the stack trace at the time of the error, including memory access violations and data access errors. - Modules: Modules involved at the time of the error include , , etc. 4. Solution: - Fix: In the function, add a check to verify if is . - Code Change: The function in was modified to include this check. 5. Sign-off and Review: - Submitter: Sascha Hauer. - Acked-by: Brian Norris and Francesco Dolcini. - Reviewed-by: Kalle Valo. 6. Patch Link: A link to the patch is provided for detailed review. This information indicates that the vulnerability is related to an unused pointer, which may lead to NULL pointer dereference errors. The issue was resolved by modifying the function to include an additional check.

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Marvell mwifiex NULL Pointer Dereference Fix in mwifiex_get_priv_by_id