Subject: Re: [PATCH net] net/sched: cls_fw: Fix improper refcount update leads to use-after-free

From: [email-masked]
Date: Fri, 07 Jul 2023 02:20:24 +0000

Hello:

This patch was applied to netdev/net.git (main)
by Jakub Kicinski <[email-masked]>:

On Wed,  5 Jul 2023 12:15:30 -0400 you wrote:
> From: M A Ramdhan <[email-masked]>
> 
> In the event of a failure in tcf_change_indev(), fw_set_parms() will
> immediately return an error after incrementing or decrementing
> reference counter in tcf_bind_filter().  If attacker can control
> reference counter to zero and make reference freed, leading to
> use after free.
> 
> [...]

Here is the summary with links:
  - [net] net/sched: cls_fw: Fix improper refcount update leads to use-after-free
    https://git.kernel.org/netdev/net/c/0323bce598ee

You are awesome, thank you!
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