CVE-2017-8065 Memory corruption in n/a

High 7.8 Published Updated

Local attackers can cause system crashes or memory corruption in the Linux kernel by exploiting a DMA scatterlist issue when VMAP_STACK is enabled.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2017-8065?

CVE-2017-8065 is a high-severity memory corruption vulnerability in Linux kernel, published on 23 Apr 2017. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

crypto/ccm.c in the Linux kernel 4.9.x and 4.10.x through 4.10.12 interacts incorrectly with the CONFIG_VMAP_STACK option, which allows local users to cause a denial of service (system crash or memory corruption) or possibly have unspecified other impact by leveraging use of more than one virtual page for a DMA scatterlist.

Weakness: CWE-119

Which versions are affected by CVE-2017-8065?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2017-8065?

No fix has been published for CVE-2017-8065 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2017-8065 being exploited?

There is no known exploitation of CVE-2017-8065 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as GHSA-h599-cpch-hw49.

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