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From: Nicolai Buchwitz <nb@tipi-net.de>
To: stable@vger.kernel.org
Cc: sashal@kernel.org, technoboy85@gmail.com,
	hirofumi@mail.parknet.co.jp, brauner@kernel.org
Subject: Please backport FAT end-of-directory fix to 6.18 and 6.12
Date: Fri, 16 Oct 2026 14:25:02 +0200	[thread overview]
Message-ID: <96dbd7d103fa6df33b0bbd492e309bd7@tipi-net.de> (raw)

Hi,

Please consider backporting upstream commit

6a2875517c778ac1111b6920e94cbab91cda8724
fat: stop reading directory entries past the end-of-directory marker

to 6.18.y and 6.12.y, and any other affected supported stable branches.

The fix prevents directory traversal from interpreting residual data
after the FAT end-of-directory marker as real directory entries,
resulting in bogus filenames and I/O errors.

This affects FAT16 CompactFlash media written by devices such as the
Psion Series 7/netBook running EPOC32.

Thanks,
Nicolai

             reply	other threads:[~2026-10-16 12:25 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-10-16 12:25 Nicolai Buchwitz [this message]
2026-10-16 16:27 ` Please backport FAT end-of-directory fix to 6.18 and 6.12 Greg KH
2026-10-19 20:55 ` Sasha Levin

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