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Date: Wed, 5 Oct 2016 13:45:02 -0400
From: David Manouchehri <>
Subject: CVE request: sunxi-debug (root privilege escalation in Allwinner kernel)

The official Allwinner 3.4 kernels (H3, H8 and A83T) shipped a driver
called sunxi-debug, which allows any process (file permissions are set to
666) to escalate to root without any interaction.

Full PoC/"exploit" is simply:

echo "rootmydevice" > /proc/sunxi_debug/sunxi_debug

This was originally spotted in April 2016 and removed after media coverage
in May. If a CVE could be assigned to it, that would be appreciated.


David Manouchehri

original repository has had the backdoor erased from history.)

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