netdev - Re: [PATCH net] net/iucv: fix use after free in iucv_sock

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-Id: 
 <172234503264.9596.13836669168003742879.git-patchwork-notify@kernel.org>
Date: Tue, 30 Jul 2024 13:10:32 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Alexandra Winter <wintera@...ux.ibm.com>
Cc: davem@...emloft.net, kuba@...nel.org, pabeni@...hat.com,
 edumazet@...gle.com, netdev@...r.kernel.org, linux-s390@...r.kernel.org,
 hca@...ux.ibm.com, gor@...ux.ibm.com, agordeev@...ux.ibm.com,
 borntraeger@...ux.ibm.com, svens@...ux.ibm.com, twinkler@...ux.ibm.com,
 pasic@...ux.ibm.com
Subject: Re: [PATCH net] net/iucv: fix use after free in iucv_sock_close()

Hello:

This patch was applied to netdev/net.git (main)
by Paolo Abeni <pabeni@...hat.com>:

On Mon, 29 Jul 2024 14:28:16 +0200 you wrote:
> iucv_sever_path() is called from process context and from bh context.
> iucv->path is used as indicator whether somebody else is taking care of
> severing the path (or it is already removed / never existed).
> This needs to be done with atomic compare and swap, otherwise there is a
> small window where iucv_sock_close() will try to work with a path that has
> already been severed and freed by iucv_callback_connrej() called by
> iucv_tasklet_fn().
> 
> [...]

Here is the summary with links:
  - [net] net/iucv: fix use after free in iucv_sock_close()
    https://git.kernel.org/netdev/net/c/f558120cd709

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html