| From: |
| Alan Cox <gnomes-AT-lxorguk.ukuu.org.uk> |
| To: |
| "Jason A. Donenfeld" <Jason-AT-zx2c4.com> |
| Subject: |
| Re: [PATCH v2] cpu: do not leak vulnerabilities to unprivileged users |
| Date: |
| Fri, 26 Jan 2018 16:43:10 +0000 |
| Message-ID: |
| <20180126164310.13a29ad2@alans-desktop> |
| Cc: |
| gregkh-AT-linuxfoundation.org, linux-kernel-AT-vger.kernel.org, kernel-hardening-AT-lists.openwall.com |
On Fri, 26 Jan 2018 13:31:58 +0100
"Jason A. Donenfeld" <Jason@zx2c4.com> wrote:
> While it's public information if the CPU in general has spectre/meltdown
> bugs, it probably shouldn't be as globally obvious to all unprivileged
> users
As I replied to you last time you posted this
a) The info is already trivially accessible via /proc/cpuinfo or by
measurement to an attacker
b) Some JIT and other environments need to know
Alan
