From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Johan Hovold <johan@kernel.org>
Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
stable@vger.kernel.org
Subject: Re: [PATCH] USB: serial: safe_serial: fix memory corruption with small endpoint
Date: Sat, 23 May 2026 07:50:59 +0200 [thread overview]
Message-ID: <2026052354-stability-prone-4fbb@gregkh> (raw)
In-Reply-To: <20260522142218.947657-1-johan@kernel.org>
On Fri, May 22, 2026 at 04:22:18PM +0200, Johan Hovold wrote:
> Make sure that the bulk-out buffer size is at least eight bytes to avoid
> user-controlled slab corruption in "safe" mode should a malicious device
> report a smaller size.
>
> Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
> Cc: stable@vger.kernel.org
> Signed-off-by: Johan Hovold <johan@kernel.org>
> ---
> drivers/usb/serial/safe_serial.c | 11 +++++++++++
> 1 file changed, 11 insertions(+)
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
prev parent reply other threads:[~2026-05-23 5:50 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-22 14:22 [PATCH] USB: serial: safe_serial: fix memory corruption with small endpoint Johan Hovold
2026-05-23 5:50 ` Greg Kroah-Hartman [this message]
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