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From: Andreas Kemnade <andreas@kemnade.info>
To: linux-bluetooth@vger.kernel.org
Subject: Re: [PATCH] gatt-client: avoid UAF after acquire notify failure
Date: Thu, 26 Jun 2025 17:19:55 +0200	[thread overview]
Message-ID: <20250626171955.42cca18f@akair> (raw)
In-Reply-To: <20250625140545.1610812-1-andreas@kemnade.info>

Am Wed, 25 Jun 2025 16:05:45 +0200
schrieb Andreas Kemnade <andreas@kemnade.info>:

> If a disconnect happens during AcquireNotify dbus calls, a lot of
> debris is left over. Subsequent calls to AcquireNotify will return
> NotPermitted and StopNotify leads to an UAF, crashing bluetoothd.
> 
> Fix that by also clean up the socket stuff on failure.
> 
Hmm, I should rather send a dbus answer, too instead of letting the app
waiting for timeout.
I will send an extended version (then with the correct subj prefix)

Regards,
Andreas

      parent reply	other threads:[~2025-06-26 15:20 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-06-25 14:05 [PATCH] gatt-client: avoid UAF after acquire notify failure Andreas Kemnade
2025-06-25 15:39 ` bluez.test.bot
2025-06-26 15:19 ` Andreas Kemnade [this message]

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