From: Dave Chinner <david@fromorbit.com>
To: Zorro Lang <zlang@redhat.com>
Cc: fstests@vger.kernel.org, djwong@kernel.org
Subject: Re: [PATCH v2 2/2] fstests: test dirty pipe vulnerability issue of CVE-2022-0847
Date: Wed, 23 Mar 2022 10:18:34 +1100 [thread overview]
Message-ID: <20220322231834.GG1609613@dread.disaster.area> (raw)
In-Reply-To: <20220322182926.1829846-3-zlang@redhat.com>
On Wed, Mar 23, 2022 at 02:29:26AM +0800, Zorro Lang wrote:
> Test for the Dirty Pipe vulnerability (CVE-2022-0847) caused by an
> uninitialized "pipe_buffer.flags" variable. The bug cause a file
> can be overwritten even if a user/process is not permitted to write
> it. It's fixed by 9d2231c5d74e ("lib/iov_iter: initialize "flags" in
> new pipe_buffer").
>
> Cc: Max Kellermann <max.kellermann@ionos.com>
> Signed-off-by: Zorro Lang <zlang@redhat.com>
Looks good now!
Reviewed-by: Dave Chinner <dchinner@redhat.com>
--
Dave Chinner
david@fromorbit.com
prev parent reply other threads:[~2022-03-22 23:18 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-22 18:29 [PATCH v2 0/2] xfstests: hexdump and CVE-2022-0847 Zorro Lang
2022-03-22 18:29 ` [PATCH v2 1/2] xfstests: replace hexdump with od command Zorro Lang
2022-04-10 15:13 ` Eryu Guan
2022-04-10 17:19 ` Zorro Lang
2022-03-22 18:29 ` [PATCH v2 2/2] fstests: test dirty pipe vulnerability issue of CVE-2022-0847 Zorro Lang
2022-03-22 21:27 ` Darrick J. Wong
2022-03-22 23:18 ` Dave Chinner [this message]
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