This is a note to let you know that I've just added the patch titled net: ti: fix UAF in tlan_remove_one to the 5.10-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: net-ti-fix-uaf-in-tlan_remove_one.patch and it can be found in the queue-5.10 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 0336f8ffece62f882ab3012820965a786a983f70 Mon Sep 17 00:00:00 2001 From: Pavel Skripkin <paskripkin@xxxxxxxxx> Date: Fri, 9 Jul 2021 17:58:29 +0300 Subject: net: ti: fix UAF in tlan_remove_one From: Pavel Skripkin <paskripkin@xxxxxxxxx> commit 0336f8ffece62f882ab3012820965a786a983f70 upstream. priv is netdev private data and it cannot be used after free_netdev() call. Using priv after free_netdev() can cause UAF bug. Fix it by moving free_netdev() at the end of the function. Fixes: 1e0a8b13d355 ("tlan: cancel work at remove path") Signed-off-by: Pavel Skripkin <paskripkin@xxxxxxxxx> Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/net/ethernet/ti/tlan.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) --- a/drivers/net/ethernet/ti/tlan.c +++ b/drivers/net/ethernet/ti/tlan.c @@ -313,9 +313,8 @@ static void tlan_remove_one(struct pci_d pci_release_regions(pdev); #endif - free_netdev(dev); - cancel_work_sync(&priv->tlan_tqueue); + free_netdev(dev); } static void tlan_start(struct net_device *dev) Patches currently in stable-queue which might be from paskripkin@xxxxxxxxx are queue-5.10/net-ti-fix-uaf-in-tlan_remove_one.patch queue-5.10/net-qcom-emac-fix-uaf-in-emac_remove.patch queue-5.10/net-fddi-fix-uaf-in-fza_probe.patch queue-5.10/net-moxa-fix-uaf-in-moxart_mac_probe.patch