Re: [Xen-devel] Xen Security Advisory 255 - grant table v2 -> v1 transition may crash Xen

[Steven Haigh <netwiz@xxxxxxxxx>]

On Tuesday, 27 February 2018 11:00:08 PM AEDT Xen. org security team wrote:
>                     Xen Security Advisory XSA-255
>                               version 3
> 
>              grant table v2 -> v1 transition may crash Xen
> 
<snip>
> RESOLUTION
> ==========
> 
> Applying the appropriate attached patch resolves this issue.
> 
> xsa255-?.patch         xen-unstable, Xen 4.10.x
> xsa255-4.9-?.patch     Xen 4.9.x, Xen 4.8.x
> xsa255-4.7-?.patch     Xen 4.7.x
> xsa255-4.6-?.patch     Xen 4.6.x

Is there a missing pre-requisite patch required for 4.6.6?

I'm currently getting a failure on these patches as follows:

Patch #55 (xsa255-4.6-1.patch):
+ echo 'Patch #55 (xsa255-4.6-1.patch):'
+ /bin/cat /builddir/build/SOURCES/xsa255-4.6-1.patch
+ /usr/bin/patch -p1 --fuzz=2
patching file xen/arch/arm/domain.c
patching file xen/arch/arm/mm.c
Hunk #2 FAILED at 1075.
Hunk #3 FAILED at 1090.
2 out of 3 hunks FAILED -- saving rejects to file xen/arch/arm/mm.c.rej

The patches for 4.7, 4.9 and 4.10 seem to apply successfully.

-- 
Steven Haigh

📧 netwiz@xxxxxxxxx       💻 http://www.crc.id.au
📞 +61 (3) 9001 6090    📱 0412 935 897

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