CVE-2016-2085 Information disclosure in n/a

Medium 5.5 Published Updated

Local attackers can exploit a timing side-channel in the Linux kernel to forge EVM MAC values, bypassing integrity checks.

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-2016-2085?

CVE-2016-2085 is a medium-severity vulnerability in Linux kernel, published on 27 Apr 2016. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The evm_verify_hmac function in security/integrity/evm/evm_main.c in the Linux kernel before 4.5 does not properly copy data, which makes it easier for local users to forge MAC values via a timing side-channel attack.

Weakness: CWE-19

Which versions are affected by CVE-2016-2085?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2016-2085?

Upgrade to a fixed version.

Is CVE-2016-2085 being exploited?

There is no known exploitation of CVE-2016-2085 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as DEBIAN-CVE-2016-2085, GHSA-w99v-p99f-6f3g, UBUNTU-CVE-2016-2085.

Is CVE-2016-2085 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free