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 +0000, 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 perform incomplete CPU state sanitation when switching tasks,
> thus causing OOPSes or complete machine lockup.
>
> See [1] for reproducers. Vrtual86SwitchToEmmsFault.c locks up
> reproducible when run in one VirtualBox guest, but fails to do so on
> real hardware.
[...]
So what happens on real hardware?
Ben.
--
Ben Hutchings
Klipstein's 4th Law of Prototyping and Production:
A fail-safe circuit will destroy others.
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