From: Sasha Levin <sashal@kernel.org>
To: stable@vger.kernel.org, Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Sasha Levin <sashal@kernel.org>,
Alexey Panov <apanov@astralinux.ru>, Jens Axboe <axboe@kernel.dk>,
Pavel Begunkov <asml.silence@gmail.com>,
Prithvi Tambewagh <activprithvi@gmail.com>,
linux-kernel@vger.kernel.org, io-uring@vger.kernel.org,
lvc-project@linuxtesting.org, Li Zetao <lizetao1@huawei.com>
Subject: Re: [PATCH 5.10] io_uring: prevent opcode speculation
Date: Thu, 11 Jun 2026 11:26:24 -0400 [thread overview]
Message-ID: <20260611-stable-reply-0106@kernel.org> (raw)
In-Reply-To: <20260610172203.27999-1-apanov@astralinux.ru>
On Wed, Jun 10, 2026 at 08:22:03PM +0300, Alexey Panov wrote:
> From: Pavel Begunkov <asml.silence@gmail.com>
>
> commit 1e988c3fe1264708f4f92109203ac5b1d65de50b upstream.
>
> sqe->opcode is used for different tables, make sure we santitise it
> against speculations.
The 5.10 backport itself looks fine, but I can't take it on its own:
1e988c3fe126 is still missing from 6.6.y and 6.12.y (it's present in
7.0, 6.18, 6.1 and 5.15), and we don't add a fix to an older tree while
a newer one is missing it. Once 6.6.y and 6.12.y carry it, I'll queue
the 5.10 backport.
--
Thanks,
Sasha
next prev parent reply other threads:[~2026-06-11 15:26 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-10 17:22 [PATCH 5.10] io_uring: prevent opcode speculation Alexey Panov
2026-06-11 15:26 ` Sasha Levin [this message]
2026-06-12 8:17 ` Alexey Panov
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