Systems with microprocessors utilizing speculative execution may allow unauthorized disclosure of information to an attacker with local user access via a side-channel attack on the directional branch predictor, as demonstrated by a pattern history table (PHT), aka BranchScope.
Published 2018-03-27 17:29:01
Updated 2020-05-05 11:31:08
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Information leak

Products affected by CVE-2018-9056

Exploit prediction scoring system (EPSS) score for CVE-2018-9056

0.05%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 17 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-9056

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
4.7
MEDIUM AV:L/AC:M/Au:N/C:C/I:N/A:N
3.4
6.9
NIST
5.6
MEDIUM CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
1.1
4.0
NIST

CWE ids for CVE-2018-9056

References for CVE-2018-9056

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