Re: [PATCH v2] Bluetooth: virtio_bt: avoid OOB read of build info string
[email protected] Fri, 31 Jul 2026 18:50:09 +0000
| Newsgroups | org.kernel.vger.linux-bluetooth,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <178552380913.861446.3061212012664784295.git-patchwork-notify@kernel.org> |
Hello: This patch was applied to bluetooth/bluetooth-next.git (master) by Luiz Augusto von Dentz <[email protected]>: On Thu, 30 Jul 2026 10:57:28 +0900 you wrote: > The virtbt_setup_zephyr() sends the Zephyr vendor command 0xfc08 (Read > Build Information) and hands the response to bt_dev_info() and > hci_set_fw_info() as a "%s" string starting at skb->data + 1, without > checking the length. A backend that answers with status only leaves that > pointer past the end of the received data, so the walk reads adjacent > slab memory until it meets a NUL. Those bytes reach the kernel log and > the firmware-info debugfs file. > > [...] Here is the summary with links: - [v2] Bluetooth: virtio_bt: avoid OOB read of build info string https://git.kernel.org/bluetooth/bluetooth-next/c/d264c90ca22e You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html