On Sat, Sep 02, 2023 at 02:21:56PM +0400, Denis Efremov (Oracle) wrote: > From: Zheng Wang <zyytlz.wz@xxxxxxx> > > [ Upstream commit 73f7b171b7c09139eb3c6a5677c200dc1be5f318 ] > > In btsdio_probe, the data->work is bound with btsdio_work. It will be > started in btsdio_send_frame. > > If the btsdio_remove runs with a unfinished work, there may be a race > condition that hdev is freed but used in btsdio_work. Fix it by > canceling the work before do cleanup in btsdio_remove. > > Fixes: CVE-2023-1989 > Fixes: ddbaf13e3609 ("[Bluetooth] Add generic driver for Bluetooth SDIO devices") > Cc: stable@xxxxxxxxxxxxxxx > Signed-off-by: Zheng Wang <zyytlz.wz@xxxxxxx> > Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx> > [ Denis: Added CVE-2023-1989 and fixes tags. ] > Signed-off-by: Denis Efremov (Oracle) <efremov@xxxxxxxxx> > --- > > CVE-2023-1989 is 1e9ac114c4428fdb7ff4635b45d4f46017e8916f. > However, the fix was reverted and replaced with 73f7b171b7. > In stable branches we've got only the original fix and its > revert. I'm sending the replacement fix. One can find a > reference to the new fix 73f7b171b7 in the revert commit > db2bf510bd5d. Now queued up, thanks. greg k-h