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From: Niklas Cassel <cassel@kernel.org>
To: Damien Le Moal <dlemoal@kernel.org>,
	 Matthias Goergens <matthias.goergens@gmail.com>
Cc: linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org,
	 stable@vger.kernel.org
Subject: Re: [PATCH v2] ata: libata-scsi: bound the ATA passthru sense descriptor writes
Date: Wed, 23 Sep 2026 21:09:50 +0200	[thread overview]
Message-ID: <179019059052.3560943.13648184219606999768.b4-ty@kernel.org> (raw)
In-Reply-To: <20260923175203.1576825-1-matthias.goergens@gmail.com>

On Thu, 24 Sep 2026 01:52:03 +0800, Matthias Goergens wrote:
> When an ATA PASS-THROUGH command to an ATAPI device fails, the sense
> buffer holds the device's REQUEST SENSE reply, and
> ata_scsi_set_passthru_sense_fields() trusts its additional length
> byte, sb[7], when adding the ATA Status Return descriptor.  A faulty
> or malicious device can use that to make the kernel read and write
> past the 96-byte buffer in three ways:
> 
> [...]

Applied to libata/linux.git (for-7.3-fixes), thanks!

[1/1] ata: libata-scsi: bound the ATA passthru sense descriptor writes
      https://git.kernel.org/libata/linux/c/80320b27

Kind regards,
Niklas


      reply	other threads:[~2026-09-23 19:09 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-23 17:52 Matthias Goergens
2026-09-23 19:09 ` Niklas Cassel [this message]

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