From: Greg KH <greg@kroah.com>
To: Min-gyu Kim <gimm78064@gmail.com>
Cc: Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Andrii Nakryiko <andrii@kernel.org>,
Eduard Zingerman <eddyz87@gmail.com>,
Kumar Kartikeya Dwivedi <memxor@gmail.com>,
Ilya Leoshkevich <iii@linux.ibm.com>,
Heiko Carstens <hca@linux.ibm.com>,
Vasily Gorbik <gor@linux.ibm.com>,
bpf@vger.kernel.org, linux-s390@vger.kernel.org,
linux-kernel@vger.kernel.org, regressions@lists.linux.dev,
security@kernel.org
Subject: Re: [REGRESSION][SECURITY] bpf, s390: verifier/JIT mismatch allows unprivileged kernel memory access
Date: Fri, 24 Jul 2026 08:35:42 +0200 [thread overview]
Message-ID: <2026072436-carload-untaken-585d@gregkh> (raw)
In-Reply-To: <CAGKGUvm6sC9ay98zsYJS1xwB9+qUwverqAsAAwpVOpmqFpEy5A@mail.gmail.com>
On Thu, Jul 23, 2026 at 04:55:12PM +0900, Min-gyu Kim wrote:
> I have not yet tested a patch.
As you have a reproducer, please create a proposed patch that solves the
issue for you for us to work off of, as our security documentation asks
for.
Also, as you cc:ed public mailing lists, there's no need to get
security@kernel.org involved here.
thanks,
greg k-h
next parent reply other threads:[~2026-07-24 6:37 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CAGKGUvm6sC9ay98zsYJS1xwB9+qUwverqAsAAwpVOpmqFpEy5A@mail.gmail.com>
2026-07-24 6:35 ` Greg KH [this message]
2026-07-24 6:53 ` [REGRESSION][SECURITY] bpf, s390: verifier/JIT mismatch allows unprivileged kernel memory access Min-gyu Kim
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