Messages in this thread | | | Subject | Re: [PATCH v12 8/8] x86: Disallow vsyscall emulation when CET is enabled | From | Dave Hansen <> | Date | Fri, 18 Sep 2020 12:32:57 -0700 |
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On 9/18/20 12:23 PM, Yu-cheng Yu wrote: > Emulation of the legacy vsyscall page is required by some programs > built before 2013. Newer programs after 2013 don't use it. > Disable vsyscall emulation when Control-flow Enforcement (CET) is > enabled to enhance security.
How does this "enhance security"?
What is the connection between vsyscall emulation and CET?
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