CVE-2016-10225: The sunxi-debug driver in Allwinner 3.4 legacy kernel for H3, A83T and H8 devices allows local users to gain r

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HIGH 7.8WATCHLISTMITIGATE

CVE-2016-10225 is a high-severity flaw (CVSS 7.8) affecting linux-3.4-sunxi. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The sunxi-debug driver in Allwinner 3.4 legacy kernel for H3, A83T and H8 devices allows local users to gain root privileges by sending "rootmydevice" to /proc/sunxi_debug/sunxi_debug.

Why this priority

High severity
EPSS top 10%: very likely to be exploited
Public exploit reference
On your watchlist

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	4.0% (top 10%)
CISA exploited list	No
Weakness	CWE-264
Published	2017-03-27
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: allwinner

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2017-03-27 17:59 UTCPublished CVE record published
2026-06-17 00:39 UTCUpdated Record last modified

allwinner linux-3.4-sunxi MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Metasploit: Allwinner 3.4 Legacy Kernel Local Privilege Escalation

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2016-10225?

linux-3.4-sunxi: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2016-10225 being exploited?

CVE-2016-10225 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2016-10225 affect?

CVE-2016-10225 affects linux-3.4-sunxi. Severity is high (CVSS 7.8). The sunxi-debug driver in Allwinner 3.4 legacy kernel for H3, A83T and H8 devices allows local users to gain root privileges by sending "rootmydevice" to /proc/sunxi_debug/sunxi_debug.

How urgent is CVE-2016-10225?

Priority 60/100. High severity; EPSS top 10%: very likely to be exploited; Public exploit reference; On your watchlist

References

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