CVE-2018-3640
5.6
MEDIUM
CVSS 3.1
EPSS 1.6%
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.
How to fix CVE-2018-3640
To remediate CVE-2018-3640, upgrade the affected package to a fixed version below.
- Debian/intel-microcode—upgrade to 3.20180703.1 or later
Is CVE-2018-3640 being exploited?
Low — EPSS is 1.6%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 3.20180703.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.6 | CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N |