From: Greg KH <gregkh@linuxfoundation.org>
To: Takashi Iwai <tiwai@suse.de>
Cc: stable@vger.kernel.org, linux-kernel@vger.kernel.org,
alsa-devel@alsa-project.org,
Clement Lecigne <clecigne@google.com>
Subject: Re: [PATCH 5.10.y] ALSA: pcm: Properly take rwsem lock in ctl_elem_read_user/ctl_elem_write_user to prevent UAF
Date: Fri, 13 Jan 2023 16:43:19 +0100 [thread overview]
Message-ID: <Y8F8F9MpNR4O8kbB@kroah.com> (raw)
In-Reply-To: <20230113142639.4420-1-tiwai@suse.de>
On Fri, Jan 13, 2023 at 03:26:39PM +0100, Takashi Iwai wrote:
> From: Clement Lecigne <clecigne@google.com>
>
> [ Note: this is a fix that works around the bug equivalently as the
> two upstream commits:
> 1fa4445f9adf ("ALSA: control - introduce snd_ctl_notify_one() helper")
> 56b88b50565c ("ALSA: pcm: Move rwsem lock inside snd_ctl_elem_read to prevent UAF")
> but in a simpler way to fit with older stable trees -- tiwai ]
Thanks for the backport, now queued up.
greg k-h
prev parent reply other threads:[~2023-01-13 15:52 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-13 14:26 [PATCH 5.10.y] ALSA: pcm: Properly take rwsem lock in ctl_elem_read_user/ctl_elem_write_user to prevent UAF Takashi Iwai
2023-01-13 14:45 ` Jaroslav Kysela
2023-01-13 15:43 ` Greg KH [this message]
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