-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Ben Hutchings wrote:
On Fri, 2014-01-03 at 23:20 +, halfdog wrote:
Here is some more information from my latest tests:
* Although first observed with virtual-8086 mode, the bug is not
specific to virtual-8086 mode, it can be triggered with
On Fri, 2014-01-03 at 23:20 +, halfdog wrote:
Here is some more information from my latest tests:
* Although first observed with virtual-8086 mode, the bug is not
specific to virtual-8086 mode, it can be triggered with normal x86
userspace code also, even with better reproducibility.
Here is some more information from my latest tests:
* Although first observed with virtual-8086 mode, the bug is not
specific to virtual-8086 mode, it can be triggered with normal x86
userspace code also, even with better reproducibility.
* It seems, that when changing the FPU control word with
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Package: linux-image-3.11-2-486
Version: 3.11.10-1
Tags: security
When executing code in virtual-8086 mode via vm86 syscall, kernel
seems to perform incomplete CPU state sanitation when switching tasks,
thus causing OOPSes or complete machine lockup.
Control: tag -1 moreinfo
On Sun, Dec 29, 2013 at 09:12:35PM +, halfdog wrote:
When executing code in virtual-8086 mode via vm86 syscall, kernel
seems to perform incomplete CPU state sanitation when switching tasks,
thus causing OOPSes or complete machine lockup.
You only showed exceptions
Processing control commands:
tag -1 moreinfo
Bug #733551 [linux-image-3.11-2-486] Sanitation of CPU-state when switching
from virtual-8086 mode to other task incomplete
Added tag(s) moreinfo.
--
733551: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=733551
Debian Bug Tracking System
Contact
Processing control commands:
reassign -1 src:linux 3.11.10-1
Bug #733551 [linux-image-3.11-2-486] Sanitation of CPU-state when switching
from virtual-8086 mode to other task incomplete
Bug reassigned from package 'linux-image-3.11-2-486' to 'src:linux'.
No longer marked as found in versions
Control: reassign -1 src:linux 3.11.10-1
Control: severity -1 important
Control: tag -1 moreinfo
On Sun, 2013-12-29 at 21:12 +, halfdog wrote:
Package: linux-image-3.11-2-486
Version: 3.11.10-1
Tags: security
When executing code in virtual-8086 mode via vm86 syscall, kernel
seems to
Bastian Blank wrote:
Control: tag -1 moreinfo
On Sun, Dec 29, 2013 at 09:12:35PM +, halfdog wrote:
When executing code in virtual-8086 mode via vm86 syscall, kernel
seems to perform incomplete CPU state sanitation when switching tasks,
thus causing OOPSes or complete machine lockup.
9 matches
Mail list logo