Re: [PATCH] x86/mm: Enable KASLR for vmemmap memory region (x86_64)

2016-08-02 Thread Thomas Garnier
On Tue, Aug 2, 2016 at 1:14 AM, Ingo Molnar wrote: > > * Thomas Garnier wrote: > >> On Wed, Jul 27, 2016 at 8:59 AM, Thomas Garnier wrote: >> > Add vmemmap in the list of randomized memory regions. >> > >> > The vmemmap region holds a

Re: [PATCH] x86/mm: Enable KASLR for vmemmap memory region (x86_64)

2016-08-02 Thread Thomas Garnier
On Tue, Aug 2, 2016 at 1:14 AM, Ingo Molnar wrote: > > * Thomas Garnier wrote: > >> On Wed, Jul 27, 2016 at 8:59 AM, Thomas Garnier wrote: >> > Add vmemmap in the list of randomized memory regions. >> > >> > The vmemmap region holds a representation of the physical memory (through >> > a struct

Re: [PATCH] x86/mm: Enable KASLR for vmemmap memory region (x86_64)

2016-08-02 Thread Ingo Molnar
* Thomas Garnier wrote: > On Wed, Jul 27, 2016 at 8:59 AM, Thomas Garnier wrote: > > Add vmemmap in the list of randomized memory regions. > > > > The vmemmap region holds a representation of the physical memory (through > > a struct page array). An

Re: [PATCH] x86/mm: Enable KASLR for vmemmap memory region (x86_64)

2016-08-02 Thread Ingo Molnar
* Thomas Garnier wrote: > On Wed, Jul 27, 2016 at 8:59 AM, Thomas Garnier wrote: > > Add vmemmap in the list of randomized memory regions. > > > > The vmemmap region holds a representation of the physical memory (through > > a struct page array). An attacker could use this region to disclose

Re: [PATCH] x86/mm: Enable KASLR for vmemmap memory region (x86_64)

2016-08-01 Thread Thomas Garnier
On Wed, Jul 27, 2016 at 8:59 AM, Thomas Garnier wrote: > Add vmemmap in the list of randomized memory regions. > > The vmemmap region holds a representation of the physical memory (through > a struct page array). An attacker could use this region to disclose the > kernel

Re: [PATCH] x86/mm: Enable KASLR for vmemmap memory region (x86_64)

2016-08-01 Thread Thomas Garnier
On Wed, Jul 27, 2016 at 8:59 AM, Thomas Garnier wrote: > Add vmemmap in the list of randomized memory regions. > > The vmemmap region holds a representation of the physical memory (through > a struct page array). An attacker could use this region to disclose the > kernel memory layout (walking

[PATCH] x86/mm: Enable KASLR for vmemmap memory region (x86_64)

2016-07-27 Thread Thomas Garnier
Add vmemmap in the list of randomized memory regions. The vmemmap region holds a representation of the physical memory (through a struct page array). An attacker could use this region to disclose the kernel memory layout (walking the page linked list). Signed-off-by: Thomas Garnier

[PATCH] x86/mm: Enable KASLR for vmemmap memory region (x86_64)

2016-07-27 Thread Thomas Garnier
Add vmemmap in the list of randomized memory regions. The vmemmap region holds a representation of the physical memory (through a struct page array). An attacker could use this region to disclose the kernel memory layout (walking the page linked list). Signed-off-by: Thomas Garnier