CVE-2016-10906 Use after free in n/a

High 7.0 Published Updated

A race condition in the Linux kernel ARC EMAC driver causes a use-after-free, potentially allowing local attackers to execute code or escalate privileges.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2016-10906?

CVE-2016-10906 is a high-severity use after free vulnerability in Linux kernel, published on 19 Aug 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An issue was discovered in drivers/net/ethernet/arc/emac_main.c in the Linux kernel before 4.5. A use-after-free is caused by a race condition between the functions arc_emac_tx and arc_emac_tx_clean.

Weakness: CWE-416, CWE-362

Which versions are affected by CVE-2016-10906?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2016-10906?

Apply the vendor's patch.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2016-10906 being exploited?

There is no known exploitation of CVE-2016-10906 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as DEBIAN-CVE-2016-10906, GHSA-53qj-r27x-693f, UBUNTU-CVE-2016-10906.

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