CVE-2016-2085 Information disclosure in n/a
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.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2016-2085, GHSA-w99v-p99f-6f3g, UBUNTU-CVE-2016-2085.