{"id":"CVE-2021-25316","aliases":["EUVD-2021-12214","GHSA-xww5-ggv5-g549","SUSE-SU-2021:0776-1","SUSE-SU-2021:0777-1","openSUSE-SU-2024:13514-1"],"status":"published","title":"Local DoS of VM live migration due to use of static tmp files in detach_disks.sh in s390-tools","description":"A Insecure Temporary File vulnerability in s390-tools of SUSE Linux Enterprise Server 12-SP5, SUSE Linux Enterprise Server 15-SP2 allows local attackers to prevent VM live migrations This issue affects: SUSE Linux Enterprise Server 12-SP5 s390-tools versions prior to 2.1.0-18.29.1. SUSE Linux Enterprise Server 15-SP2 s390-tools versions prior to 2.11.0-9.20.1.","severity":{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00315,"percentile":0.24616,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-377"],"published":"2021-03-12T16:41:52Z","modified":"2026-06-17T03:41:48Z","fixes":[{"ecosystem":"SUSE:Linux Enterprise Server 12 SP5","package":"s390-tools","fixed_in":["2.1.0-18.29.1"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP5","package":"s390-tools","fixed_in":["2.1.0-18.29.1"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise Module for Basesystem 15 SP2","package":"s390-tools","fixed_in":["2.11.0-9.20.1"],"sources":["osv"]},{"ecosystem":"openSUSE:Tumbleweed","package":"s390-tools","fixed_in":["2.30.0-1.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 12 SP5","package":"s390-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.0-18.29.1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP5","package":"s390-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.0-18.29.1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Module for Basesystem 15 SP2","package":"s390-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.11.0-9.20.1"}]}]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"s390-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.30.0-1.1"}]}]}],"products":[{"vendor":"suse","product":"s390-tools"},{"vendor":"suse","product":"suse linux enterprise server 12-sp5"},{"vendor":"suse","product":"suse linux enterprise server 15-sp2"}],"references":[{"url":"https://bugzilla.suse.com/show_bug.cgi?id=1182777","tags":["x_transferred","Exploit","Issue Tracking","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-25316"},{"url":"https://github.com/advisories/GHSA-xww5-ggv5-g549"},{"url":"https://www.suse.com/support/update/announcement/2021/suse-su-20210776-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1182777","tags":["report"]},{"url":"https://bugzilla.suse.com/1182876","tags":["report"]},{"url":"https://bugzilla.suse.com/1183041","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2021-25316","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2021/suse-su-20210777-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1176574","tags":["report"]},{"url":"https://bugzilla.suse.com/1183040","tags":["report"]},{"url":"","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2021-25316","title":"Local DoS of VM live migration due to use of static tmp files in detach_disks.sh in s390-tools","description":"A Insecure Temporary File vulnerability in s390-tools of SUSE Linux Enterprise Server 12-SP5, SUSE Linux Enterprise Server 15-SP2 allows local attackers to prevent VM live migrations This issue affects: SUSE Linux Enterprise Server 12-SP5 s390-tools versions prior to 2.1.0-18.29.1. SUSE Linux Enterprise Server 15-SP2 s390-tools versions prior to 2.11.0-9.20.1.","status":"published","published":"2021-04-14T09:55:12.766Z","modified":"2024-09-17T03:32:49.137Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"cna"}],"cwes":["CWE-377"],"updated_at":"2026-11-02T14:32:59.802172Z"}],"euvd":[{"id":"EUVD-2021-12214","description":"A Insecure Temporary File vulnerability in s390-tools of SUSE Linux Enterprise Server 12-SP5, SUSE Linux Enterprise Server 15-SP2 allows local attackers to prevent VM live migrations This issue affects: SUSE Linux Enterprise Server 12-SP5 s390-tools versions prior to 2.1.0-18.29.1. SUSE Linux Enterprise Server 15-SP2 s390-tools versions prior to 2.11.0-9.20.1.","status":"published","published":"2021-04-14T09:55:12Z","modified":"2024-09-17T03:32:49Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low"}],"updated_at":"2026-11-03T00:28:31.175316Z"}],"ghsa":[{"id":"GHSA-xww5-ggv5-g549","title":"A Insecure Temporary File vulnerability in s390-tools of SUSE Linux Enterprise Server 12-SP5,...","description":"A Insecure Temporary File vulnerability in s390-tools of SUSE Linux Enterprise Server 12-SP5, SUSE Linux Enterprise Server 15-SP2 allows local attackers to prevent VM live migrations This issue affects: SUSE Linux Enterprise Server 12-SP5 s390-tools versions prior to 2.1.0-18.29.1. SUSE Linux Enterprise Server 15-SP2 s390-tools versions prior to 2.11.0-9.20.1.","status":"published","published":"2022-05-24T17:47:33Z","modified":"2023-01-27T05:06:23Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low"}],"cwes":["CWE-377"],"updated_at":"2026-11-02T14:42:54.564328Z"}],"nvd":[{"id":"CVE-2021-25316","description":"A Insecure Temporary File vulnerability in s390-tools of SUSE Linux Enterprise Server 12-SP5, SUSE Linux Enterprise Server 15-SP2 allows local attackers to prevent VM live migrations This issue affects: SUSE Linux Enterprise Server 12-SP5 s390-tools versions prior to 2.1.0-18.29.1. SUSE Linux Enterprise Server 15-SP2 s390-tools versions prior to 2.11.0-9.20.1.","status":"published","published":"2021-04-14T10:15:13.087Z","modified":"2026-06-17T03:41:48.94Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"secondary"},{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary"}],"cwes":["CWE-377"],"updated_at":"2026-11-02T14:06:51.610648Z"}],"osv":[{"id":"openSUSE-SU-2024:13514-1","title":"s390-tools-2.30.0-1.1 on GA media","description":"These are all security issues fixed in the s390-tools-2.30.0-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T04:02:56.695076Z","updated_at":"2026-11-02T16:58:36.327643Z"},{"id":"SUSE-SU-2021:0776-1","title":"Security update for s390-tools","description":"This update for s390-tools fixes the following issues:\n\n- Fixed an issue where IPL was not working when bootloader was installed \n  on a SCSI disk with 4k physical blocksize without using a devicemapper \n  target (bsc#1183041).\n- CVE-2021-25316: Do not use predictable temporary file names (bsc#1182777).\n- Made the name of the temporary configuration file in /tmp/ unpredictable (bsc#1182876).\n","status":"published","published":"2021-03-12T16:41:52Z","modified":"2026-02-04T03:21:29.305108Z","updated_at":"2026-11-02T15:53:48.690034Z"},{"id":"SUSE-SU-2021:0777-1","title":"Security update for s390-tools","description":"This update for s390-tools fixes the following issues:\n\n- Fixed an issue where IPL was not working when bootloader was installed \n  on a SCSI disk with 4k physical blocksize without using a devicemapper \n  target (bsc#1183041).\n- CVE-2021-25316: Do not use predictable temporary file names (bsc#1182777).\n- Made the name of the temporary configuration file in /tmp/ unpredictable (bsc#1182876).\n- Changing the scheduler from 'deadline' to the newly created 'mq-deadline' scheduler (bsc#1176574)\n","status":"published","published":"2021-03-12T16:41:58Z","modified":"2026-02-04T03:32:00.642491Z","updated_at":"2026-11-02T15:53:48.690034Z"}]}}