Le 17/04/2020 à 12:39, Nicholas Piggin a écrit :
Excerpts from Christophe Leroy's message of April 17, 2020 8:10 pm:
Le 18/04/2019 à 08:51, Michael Ellerman a écrit :
Kernel Userspace Access Prevention utilises a feature of the Radix MMU
which disallows read and write access to userspace a
Excerpts from Christophe Leroy's message of April 17, 2020 8:10 pm:
>
>
> Le 18/04/2019 à 08:51, Michael Ellerman a écrit :
>> Kernel Userspace Access Prevention utilises a feature of the Radix MMU
>> which disallows read and write access to userspace addresses. By
>> utilising this, the kernel i
Le 18/04/2019 à 08:51, Michael Ellerman a écrit :
Kernel Userspace Access Prevention utilises a feature of the Radix MMU
which disallows read and write access to userspace addresses. By
utilising this, the kernel is prevented from accessing user data from
outside of trusted paths that perform
Kernel Userspace Access Prevention utilises a feature of the Radix MMU
which disallows read and write access to userspace addresses. By
utilising this, the kernel is prevented from accessing user data from
outside of trusted paths that perform proper safety checks, such as
copy_{to/from}_user() and
