CVE-2018-3640

high-risk
Published 2018-05-22

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.

Do I need to act?

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0.90% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.6/10 Medium
LOCAL / HIGH complexity

Affected Vendors

51
/ 100
high-risk
Severity 15/34 · Moderate
Exploitability 3/34 · Minimal
Exposure 33/34 · Critical