Linux Kernel Bluetooth MGMT: Fix crash on mgmt_index_removed

From this webpage screenshot, the following key information about the vulnerability can be obtained: 1. Vulnerability Description: - Title: Bluetooth: MGMT: Fix possible crash on mgmt_index_removed - Description: A crash may occur if is called while there are commands in the command queue. Specifically, when attempts to remove a command from , it may lead to a crash. 2. Fix Details: - Fixed File: - Fix Content: - Added a conditional check in the function to ensure is checked before removing a command. - In the function, ensured that is checked before removing a command. 3. Fix Scope: - File: - Code Line Changes: - From -1454,10 to +1454,15 - From -9349,12 to +9354,12 - From -9405,7 to +9410,7 - From -9417,11 to +9422,11 4. Reason for Fix: - Issue Description: When is invoked, if there are commands in the command queue, a crash may occur. - Fix Objective: To ensure that is checked before removing a command, preventing crashes when commands are still present in the queue. 5. Fix Author: - Author: Greg Kroah-Hartman - Date: 2024-10-10 12:00:06 +0200 6. Fix Context: - Upstream Commit: f53e1c9c726d83092167f2226f32bd3b73f26c21 - Reporter: jiayao - Committer: Luiz Augusto von Dentz - Signer: Sasha Levin This information provides a detailed overview of the vulnerability's background, the specific fix applied, and the scope of changes, aiding in understanding the exact nature and rationale behind the patch.

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Linux Kernel Bluetooth MGMT: Fix crash on mgmt_index_removed