CVE-2018-3640 Information disclosure in Multiple

Medium 5.6 Published Updated

Local attackers can exploit speculative execution to disclose system parameters via side-channel analysis on Intel microprocessors.

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-2018-3640?

CVE-2018-3640 is a medium-severity vulnerability in Intel Corporation Multiple, published on 22 May 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Systems with microprocessors utilizing speculative execution and that perform speculative reads of system registers may allow unauthorized disclosure of system parameters to an attacker with local user access via a side-channel analysis, aka Rogue System Register Read (RSRE), Variant 3a.

Weakness: CWE-203

Which versions are affected by CVE-2018-3640?

It affects 199 products.

Products include Arm Cortex-A, Intel Atom C, Intel Atom E, Intel Atom Z, Intel Celeron J, Intel Celeron N and 193 more.

How do I fix CVE-2018-3640?

Apply the vendor's patch.

Is CVE-2018-3640 being exploited?

There is no known exploitation of CVE-2018-3640 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2018-3640, GHSA-wm4v-x65g-m25r, UBUNTU-CVE-2018-3640.

Is CVE-2018-3640 in your software?

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

Check your SBOMs for free