CVE-2018-5407
MEDIUM severity · CVSS 4.7 · Information disclosure
4.7CVSS MEDIUM
Summary
Simultaneous Multi-threading (SMT) in processors can enable local users to exploit software vulnerable to timing attacks via a side-channel timing attack on 'port contention'.
Impact & exploitability
Attack vectorLocal
Attack complexityHigh
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactNone
Availability impactNone
Exploit probability (EPSS)1%
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://www.securityfocus.com/bid/105897Advisory
- https://access.redhat.com/errata/RHSA-2019:0483Advisory
- https://access.redhat.com/errata/RHSA-2019:0651Advisory
- https://access.redhat.com/errata/RHSA-2019:0652Advisory
- https://access.redhat.com/errata/RHSA-2019:2125Advisory
- https://access.redhat.com/errata/RHSA-2019:3929Advisory
- https://access.redhat.com/errata/RHSA-2019:3931Advisory
- https://access.redhat.com/errata/RHSA-2019:3932Advisory