{"document":{"aggregate_severity":{"namespace":"https://www.suse.com/support/security/rating/","text":"moderate"},"category":"csaf_vex","csaf_version":"2.0","distribution":{"text":"Copyright 2024 SUSE LLC. All rights reserved.","tlp":{"label":"WHITE","url":"https://www.first.org/tlp/"}},"lang":"en","notes":[{"category":"summary","text":"SUSE CVE-2021-46778","title":"Title"},{"category":"description","text":"Execution unit scheduler contention may lead to a side channel vulnerability found on AMD CPU microarchitectures codenamed \"Zen 1\", \"Zen 2\" and \"Zen 3\" that use simultaneous multithreading (SMT). By measuring the contention level on scheduler queues an attacker may potentially leak sensitive information.","title":"Description of the CVE"},{"category":"legal_disclaimer","text":"CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).","title":"Terms of use"}],"publisher":{"category":"vendor","contact_details":"https://www.suse.com/support/security/contact/","name":"SUSE Product Security Team","namespace":"https://www.suse.com/"},"references":[{"category":"external","summary":"CVE-2021-46778","url":"https://www.suse.com/security/cve/CVE-2021-46778"},{"category":"external","summary":"SUSE Security Ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"external","summary":"SUSE Bug 1202291 for CVE-2021-46778","url":"https://bugzilla.suse.com/1202291"}],"title":"SUSE CVE CVE-2021-46778","tracking":{"current_release_date":"2025-12-19T01:59:05Z","generator":{"date":"2024-06-04T12:53:31Z","engine":{"name":"cve-database.git:bin/generate-csaf-vex.pl","version":"1"}},"id":"CVE-2021-46778","initial_release_date":"2024-06-04T12:53:31Z","revision_history":[{"date":"2024-06-04T12:53:31Z","number":"2","summary":"Current version"},{"date":"2025-01-01T04:04:48Z","number":"3","summary":"Current version"},{"date":"2025-01-10T02:32:19Z","number":"4","summary":"Current version"},{"date":"2025-02-15T04:39:30Z","number":"5","summary":"Current version"},{"date":"2025-02-17T05:02:13Z","number":"6","summary":"Current version"},{"date":"2025-06-26T03:59:56Z","number":"7","summary":"Current version"},{"date":"2025-07-01T00:44:31Z","number":"8","summary":"Current version"},{"date":"2025-12-17T01:47:44Z","number":"9","summary":"description changed"},{"date":"2025-12-19T01:59:05Z","number":"10","summary":"description changed"}],"status":"interim","version":"10"}}}