On Wed, Aug 11, 2021 at 12:57:00PM -0500, Christopher M. Riedl wrote:
> On Thu Aug 5, 2021 at 4:13 AM CDT, Christophe Leroy wrote:
> >
> >
> > Le 13/07/2021 à 07:31, Christopher M. Riedl a écrit :
> > > When live patching with STRICT_KERNEL_RWX the CPU doing the patching
> > > must temporarily
On Thu Aug 5, 2021 at 4:13 AM CDT, Christophe Leroy wrote:
>
>
> Le 13/07/2021 à 07:31, Christopher M. Riedl a écrit :
> > When live patching with STRICT_KERNEL_RWX the CPU doing the patching
> > must temporarily remap the page(s) containing the patch site with +W
> > permissions. While this
Le 13/07/2021 à 07:31, Christopher M. Riedl a écrit :
When live patching with STRICT_KERNEL_RWX the CPU doing the patching
must temporarily remap the page(s) containing the patch site with +W
permissions. While this temporary mapping is in use, another CPU could
write to the same mapping and
When live patching with STRICT_KERNEL_RWX the CPU doing the patching
must temporarily remap the page(s) containing the patch site with +W
permissions. While this temporary mapping is in use, another CPU could
write to the same mapping and maliciously alter kernel text. Implement a
LKDTM test to
