vulnerability
Ubuntu: (Multiple Advisories) (CVE-2018-3640): Intel Microcode vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:M/Au:N/C:C/I:N/A:N) | May 22, 2018 | Sep 11, 2018 | Mar 27, 2026 |
Severity
5
CVSS
(AV:L/AC:M/Au:N/C:C/I:N/A:N)
Published
May 22, 2018
Added
Sep 11, 2018
Modified
Mar 27, 2026
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.
Solution
ubuntu-upgrade-intel-microcode
References
Rapid7 Labs
2026 Global Threat Landscape Report
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