{"id":"RLSA-2021:4321","summary":"Moderate: linuxptp security, bug fix, and enhancement update","details":"The linuxptp packages provide Precision Time Protocol (PTP) implementation for Linux according to IEEE standard 1588 for Linux. The dual design goals are to provide a robust implementation of the standard and to use the most relevant and modern Application Programming Interfaces (API) offered by the Linux kernel. \n\nThe following packages have been upgraded to a later upstream version: linuxptp (3.1.1). (BZ#1895005)\n\nSecurity Fix(es):\n\n* linuxptp: wrong length of one-step follow-up in transparent clock (CVE-2021-3571)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Rocky Linux 8.5 Release Notes linked from the References section.","modified":"2026-03-10T22:11:21.665576Z","published":"2021-11-09T09:00:47Z","upstream":["CVE-2021-3571"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2021:4321"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1895005"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1966241"}],"affected":[{"package":{"name":"linuxptp","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/linuxptp?distro=rocky-linux-8-5-legacy&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.1.1-1.el8"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2021:4321.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}