[coreboot] x86 smm: memory sinkhole attack

2015-08-12 Thread Francis Rowe
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hi, I've been reading lately about this attack: https://github.com/xoreaxeaxeax/sinkhole Some summary articles: * http://www.theregister.co.uk/2015/08/11/memory_hole_roots_intel_processors *

Re: [coreboot] x86 smm: memory sinkhole attack

2015-08-12 Thread Patrick Georgi
2015-08-12 16:28 GMT+02:00 Francis Rowe i...@gluglug.org.uk: My basic question is: are coreboot systems affected by this vulnerability, and if so, what work is being done to patch it? I reviewed our SMM handler, drafted out how to mitigate any potential issue and started work on a PoC. Then

Re: [coreboot] Need help booting Linux with coreboot and QEMU

2015-08-12 Thread Dustin Brazeau
Here is a dump trying to boot using SeaBIOS with addition SeaBIOS debug enabled. Also switched from using mainboard QEMU x86 q35/ich9 to QEMU x86 i440fx/piix4, but that didn't help. # qemu-system-i386 -M pc -bios build/coreboot.rom -hda /work/disk.img -cdrom

[coreboot] Need help booting Linux with coreboot and QEMU

2015-08-12 Thread Dustin Brazeau
I'm having some trouble booting to Linux using QEMU and coreboot. I have tried using both SeaBIOS and FILO as my coreboot payloads but I can't seem to get them to boot into an OS. When using SeaBIOS as my payload it gets to the menu list prompt, but pressing F12 does not do anything and it starts

[coreboot] Is it possible to use an Ivy Bridge CPU in an Sandy Bridge laptop?

2015-08-12 Thread Iru Cai
Hi, Ivy Bridge processor can be installed on a 6 series motherboard on desktop. However, Intel didn't give official support for snb laptops to install an ivb processor. Did anyone tried to insall an ivb processor into an snb machine (I think ThinkPad T520 is a good choice.) to check whether

Re: [coreboot] x86 rowhammer vulnerability

2015-08-12 Thread Timothy Pearson
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 08/12/2015 09:36 AM, Francis Rowe wrote: Hi, Further to my previous question about the sinkhole attack, I'm also interested in whether this vulnerability affects coreboot systems: http://www.rowhammer.com/ Specifically, in my case, I am

Re: [coreboot] x86 smm: memory sinkhole attack

2015-08-12 Thread Timothy Pearson
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 08/12/2015 10:54 AM, Timothy Pearson wrote: On 08/12/2015 10:44 AM, Patrick Georgi wrote: 2015-08-12 16:28 GMT+02:00 Francis Rowe i...@gluglug.org.uk mailto:i...@gluglug.org.uk: My basic question is: are coreboot systems affected by this

Re: [coreboot] x86 smm: memory sinkhole attack

2015-08-12 Thread Timothy Pearson
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 08/12/2015 10:44 AM, Patrick Georgi wrote: 2015-08-12 16:28 GMT+02:00 Francis Rowe i...@gluglug.org.uk mailto:i...@gluglug.org.uk: My basic question is: are coreboot systems affected by this vulnerability, and if so, what work is

[coreboot] New on blogs.coreboot.org: coreboot changelog - Weeks of 2015-07-27 and 2015-08-03

2015-08-12 Thread WordPress
A new post titled "coreboot changelog - Weeks of 2015-07-27 and 2015-08-03" has been published on the coreboot blog. Find the full post at http://blogs.coreboot.org/blog/2015/08/12/coreboot-changelog-weeks-of-2015-07-27-and-2015-08-03/ This covers commits ef0158ec up to commit 1cbef1c Development

[coreboot] USB data write failure

2015-08-12 Thread Autoboot
Hello, running autoboot with coreboot as of commit a3e41c089602c58409e8dfd4aceecbdd7d4f4a5b being the latest not breaking USB and PCI-E on my ThinkPad X201. Writing data to USB storage appears bugged. I tested this using different disks on three different machines: - ThinkPad X201,