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From: Keith Busch <kbusch@kernel.org>
To: Eugene Korenevsky <ekorenevsky@aliyun.com>
Cc: Jens Axboe <axboe@kernel.dk>, Christoph Hellwig <hch@lst.de>,
	Sagi Grimberg <sagi@grimberg.me>,
	linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4] nvme: nvme_identify_ns_descs: prevent oob
Date: Thu, 4 Dec 2025 09:09:18 -0700	[thread overview]
Message-ID: <aTGyLlHM2qv8KEDE@kbusch-mbp> (raw)
In-Reply-To: <aS8uVVBz_n4lI3bM@localhost.localdomain>

On Tue, Dec 02, 2025 at 09:22:13PM +0300, Eugene Korenevsky wrote:
> Broken or malicious controller can send invalid ns id.
> Out-of-band memory access may occur if remaining buffer size
> is less than .nidl (ns id length) field of `struct nvme_ns_id_desc`
> 
> Fix this issue by checking (header size + .nidl) against
> remaining buffer length.

Thanks, applied to nvme-6.19 with the line length wrap fixed up.


      parent reply	other threads:[~2025-12-04 16:09 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-12-02 18:22 [PATCH v4] nvme: nvme_identify_ns_descs: prevent oob Eugene Korenevsky
2025-12-03  6:10 ` Christoph Hellwig
2025-12-04 16:09 ` Keith Busch [this message]

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