CVE-2016-10154 Memory corruption in n/a

Medium 5.5 Published Updated

Local users can cause system crashes or memory corruption in the Linux kernel CIFS module by exploiting a scatterlist issue with VMAP_STACK 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
Available

What is CVE-2016-10154?

CVE-2016-10154 is a medium-severity memory corruption vulnerability in Linux kernel, published on 6 Feb 2017. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The smbhash function in fs/cifs/smbencrypt.c in the Linux kernel 4.9.x before 4.9.1 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 scatterlist.

Weakness: CWE-119

Which versions are affected by CVE-2016-10154?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2016-10154?

Apply the vendor's patch.

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

Is CVE-2016-10154 being exploited?

There is no known exploitation of CVE-2016-10154 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as DEBIAN-CVE-2016-10154, GHSA-4p88-r37m-7cxr.

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