From: patchwork-bot+bluetooth@kernel.org
To: =?utf-8?q?Safa_Karaku=C5=9F_=3Csafa=2Ekarakus=40secunnix=2Ecom=3E?=@aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org
Cc: linux-bluetooth@vger.kernel.org, luiz.dentz@gmail.com,
marcel@holtmann.org, stable@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4] Bluetooth: fix UAF in l2cap_sock_cleanup_listen() vs l2cap_conn_del()
Date: Wed, 20 May 2026 20:00:04 +0000 [thread overview]
Message-ID: <177930720449.3737015.13239327454432512997.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260516181504.3076260-1-safa.karakus@secunnix.com>
Hello:
This patch was applied to bluetooth/bluetooth-next.git (master)
by Luiz Augusto von Dentz <luiz.von.dentz@intel.com>:
On Sat, 16 May 2026 21:15:04 +0300 you wrote:
> bt_accept_dequeue() unlinks a not-yet-accepted child from the parent
> accept queue and release_sock()s it before returning, so the returned
> sk has no caller reference and is unlocked.
>
> l2cap_sock_cleanup_listen() walks these children on listening-socket
> close. A concurrent HCI disconnect drives hci_rx_work ->
> l2cap_conn_del() which runs l2cap_chan_del() + l2cap_sock_kill() and
> frees the child sk and its l2cap_chan; cleanup_listen() then uses both:
>
> [...]
Here is the summary with links:
- [v4] Bluetooth: fix UAF in l2cap_sock_cleanup_listen() vs l2cap_conn_del()
https://git.kernel.org/bluetooth/bluetooth-next/c/0b580042a1a5
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
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next prev parent reply other threads:[~2026-05-20 19:59 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-28 23:30 [PATCH] Bluetooth: l2cap: fix UAF race in l2cap_sock_cleanup_listen Safa Karakuş
2026-04-29 0:37 ` bluez.test.bot
2026-04-30 17:17 ` [PATCH] " Luiz Augusto von Dentz
2026-05-16 9:21 ` [PATCH v3] Bluetooth: fix UAF in l2cap_sock_cleanup_listen() vs l2cap_conn_del() Safa Karakuş
2026-05-16 10:18 ` [v3] " bluez.test.bot
2026-05-16 18:15 ` [PATCH v4] " Safa Karakuş
2026-05-16 20:47 ` [v4] " bluez.test.bot
2026-05-16 22:40 ` [PATCH v4] " Hillf Danton
2026-05-20 19:14 ` fourdim
2026-05-20 20:00 ` patchwork-bot+bluetooth [this message]
2026-05-20 20:05 ` [PATCH] Bluetooth: L2CAP: use chan timer to close channels in cleanup_listen() Siwei Zhang
2026-05-20 20:29 ` Luiz Augusto von Dentz
2026-05-21 1:56 ` Siwei Zhang
2026-05-21 2:12 ` [PATCH v2] " Siwei Zhang
2026-05-21 3:57 ` [v2] " bluez.test.bot
2026-05-21 4:24 ` Siwei Zhang
2026-05-21 14:26 ` bluez.test.bot
2026-05-21 15:30 ` [PATCH v2] " patchwork-bot+bluetooth
2026-05-20 21:28 ` bluez.test.bot
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