From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D3D833783A1; Wed, 20 May 2026 11:18:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779275896; cv=none; b=Xh1HKtzjxBtQcBQx72J+AfkvTk2xrM2bk/vygaecFSDaWbd+YWBUhHA3wRVPQ9sgERBoj5kIy93nGG2lVkHR+S5NoD/jbpHmj0Wi+/7JkU52Mc80JmEXbVWDrwR+ryAr9Ous0UcO5LxWVNIuRXMjC8algX6HTTvOgennwygkjPk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779275896; c=relaxed/simple; bh=Co1FS16V3QEhSbr63bhbPUjxGIVqpfEoeNW/RbM9X+0=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Hl1MwpEYAJn18URTdLQ3mnkpju4TFkPXQv7Buh1froAIh9Rsj/BbFaK+JYaqK2Oe8u05NP3AAMGAvSVb+VeBFnOy6BsutaDOhyfXYKNiq6wxatEvYKrH0fjUd89bihAxYJSgBptY7FUVkg/i/wpA0m0cPpSkDP4nDmu1rHFnQt4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=lEqNSwhG; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="lEqNSwhG" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3A33D1F000E9; Wed, 20 May 2026 11:18:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1779275894; bh=jPBtCABmTTv6ha/cYJxmS7t2tz3m8VUFTWQofk+6ER8=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=lEqNSwhG62rtR8kQpdULEMCZZhT253PmvpFDrCAH/iPl+16vv8GE3yKFQGLL/jhSm UKUZTIx1n6ILuENHB1kq+79GEjf6bS3ZxIcm7USjRdH6C3ZP1wbpzXOjEJTA9bAKt7 qWEydEh9dvIHxlGWaXlioBfdH2UVrSg5ZFaRXslo= Date: Wed, 20 May 2026 13:18:17 +0200 From: Greg Kroah-Hartman To: Johan Hovold Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: Re: [PATCH] USB: serial: digi_acceleport: fix memory corruption with small endpoints Message-ID: <2026052012-jeep-parameter-c328@gregkh> References: <20260520074653.639831-1-johan@kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260520074653.639831-1-johan@kernel.org> On Wed, May 20, 2026 at 09:46:53AM +0200, Johan Hovold wrote: > Add the missing bulk-out buffer size sanity checks to avoid > out-of-bounds memory accesses or slab corruption should a malicious > device report smaller buffers than expected. > > Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") > Cc: stable@vger.kernel.org > Signed-off-by: Johan Hovold Reviewed-by: Greg Kroah-Hartman