{"id":"CVE-2018-5407","revision":"92b28bdc57b44dc4a6b85e6113430e16","records":[{"revision":"92b28bdc57b44dc4a6b85e6113430e16","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2018-5407","aliases":[],"title":"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'.","description":"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'.","state":0,"publishedAt":"2018-11-15T21:00:00+00:00","modifiedAt":"2026-10-08T21:13:54.182+00:00","affected":[{"ecosystem":"Vendor product","name":"Processors supporting Simultaneous Multi-Threading","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Processors supporting Simultaneous Multi-Threading\",\n                    \"vendor\": \"N/A\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"N/A\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://access.redhat.com/errata/RHSA-2019:0483","https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html","https://security.netapp.com/advisory/ntap-20181126-0001/","https://usn.ubuntu.com/3840-1/","https://www.debian.org/security/2018/dsa-4355","https://www.tenable.com/security/tns-2018-17","https://nodejs.org/en/blog/vulnerability/november-2018-security-releases/","https://security.gentoo.org/glsa/201903-10","https://www.tenable.com/security/tns-2018-16","https://www.exploit-db.com/exploits/45785/","https://lists.debian.org/debian-lts-announce/2018/11/msg00024.html","https://github.com/bbbrumley/portsmash","https://www.debian.org/security/2018/dsa-4348","http://www.securityfocus.com/bid/105897","https://eprint.iacr.org/2018/1060.pdf","https://access.redhat.com/errata/RHSA-2019:0651","https://access.redhat.com/errata/RHSA-2019:0652","https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html","https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html","https://access.redhat.com/errata/RHSA-2019:2125","https://support.f5.com/csp/article/K49711130?utm_source=f5support&amp%3Butm_medium=RSS","https://access.redhat.com/errata/RHSA-2019:3929","https://access.redhat.com/errata/RHSA-2019:3933","https://access.redhat.com/errata/RHSA-2019:3931","https://access.redhat.com/errata/RHSA-2019:3935","https://access.redhat.com/errata/RHSA-2019:3932","https://www.oracle.com/security-alerts/cpujan2020.html","https://www.oracle.com/security-alerts/cpuapr2020.html"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2018-5407","license":"CVE Program Terms of Use","key":"cve-program:CVE-2018-5407","identifiers":["CVE-2018-5407"]},"retained":false,"historicalAffected":[]}],"coverage":[]}