Re: [kernel-hardening] Re: [PATCH v9 1/4] syscalls: Verify address limit before returning to user-mode
From: Al Viro <viro@ZenIV.linux.org.uk>
Date: 2017-05-12 08:18:21
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linux-arm-kernel, linux-s390, lkml
On Fri, May 12, 2017 at 01:11:26AM -0700, Christoph Hellwig wrote:
But it won't help against exploits modifying addr_limit manually.
Or the ones setting current->cred to that of init. Your point being?