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From: Andy Lutomirski <luto@kernel.org>
To: Masami Hiramatsu <mhiramat@kernel.org>
Cc: X86 ML <x86@kernel.org>, LKML <linux-kernel@vger.kernel.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Oleg Nesterov <oleg@redhat.com>, Ingo Molnar <mingo@kernel.org>,
	Andrew Lutomirski <luto@kernel.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
	Alexei Starovoitov <ast@kernel.org>,
	"David S. Miller" <davem@davemloft.net>,
	Steven Rostedt <rostedt@goodmis.org>,
	francis.deslauriers@efficios.com,
	Ricardo Neri <ricardo.neri-calderon@linux.intel.com>,
	Borislav Petkov <bp@suse.de>, Yonghong Song <yhs@fb.com>
Subject: Re: [PATCH 0/2] uprobes: x86: Reject probing MOV SS
Date: Wed, 09 May 2018 14:36:27 +0000	[thread overview]
Message-ID: <CALCETrVNFAB-zJxhs3t+CxOdftssmWjMaS_bYuQDR+NcBGPRfg@mail.gmail.com> (raw)
In-Reply-To: <152587066475.17316.3035446966107675608.stgit@devbox>

On Wed, May 9, 2018 at 5:58 AM Masami Hiramatsu <mhiramat@kernel.org> wrote:

> Hi,

> I found the CVE-2018-1087 and CVE-2018-8897 should
> be related to kprobes and uprobes too, since both
> are using #DB for single stepping.


Seems okay to me.  I doubt we have a security problem, but I can easily
imagine that the probes wouldn't work right.

  parent reply	other threads:[~2018-05-09 14:36 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-09 12:57 Masami Hiramatsu
2018-05-09 12:58 ` [PATCH 1/2] kprobes: x86: Prohibit probing on exception masking instructions Masami Hiramatsu
2018-05-13 17:57   ` [tip:x86/urgent] kprobes/x86: " tip-bot for Masami Hiramatsu
2018-05-09 12:58 ` [PATCH 2/2] uprobes: x86: Prohibit probing on MOV SS instruction Masami Hiramatsu
2018-05-09 16:39   ` Oleg Nesterov
2018-05-13 17:58   ` [tip:x86/urgent] uprobes/x86: " tip-bot for Masami Hiramatsu
2018-05-09 13:01 ` [PATCH 0/2] uprobes: kprobes: x86: Reject probing MOV SS/POP SS Masami Hiramatsu
2018-05-09 14:36 ` Andy Lutomirski [this message]
2018-05-09 22:25   ` [PATCH 0/2] uprobes: x86: Reject probing MOV SS Masami Hiramatsu

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