It leaks security sensitive information to userspace and corrupts the upper half of ESP because it lacks the equivalent of the espfix workaround.
On April 12, 2014 7:56:48 PM PDT, Andi Kleen <a...@firstfloor.org> wrote: >"H. Peter Anvin" <h...@zytor.com> writes: >> >> But yes, we can make it configurable, but the default should almost >> certainly be off. > >Why? Either it works or it doesn't. > >If it works it doesn't make any sense to have a sysctl. > >-Andi -- Sent from my mobile phone. Please pardon brevity and lack of formatting. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
