CVE-2021-25316 json
Local DoS of VM live migration due to use of static tmp files in detach_disks.sh in s390-tools
published 2021-04-14 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-12214
- cvss
- 3.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 24%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- SUSE SUSE Linux Enterprise Server 12-SP5 2.1.0-18.29.1
- SUSE SUSE Linux Enterprise Server 15-SP2 2.11.0-9.20.1
- s390-tools SLE Module for Basesystem 15 SP2 2.11.0-9.20.1
- s390-tools SLES for SAP 12 SP5, SLES 12 SP5 2.1.0-18.29.1
suse advisories SUSE-SU-2021:0777-1SUSE-SU-2021:0776-1
- s390-tools openSUSE Tumbleweed 2.30.0-1.1
opensuse advisories openSUSE-SU-2024:13514-1
Exploit prediction
0.32% chance of exploitation in the next 30 days, higher than 24% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- bugzilla.suse.com https://bugzilla.suse.com/show_bug.cgi?id=1182777 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 3.3 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L |
| NVD | 3.1 | 3.3 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L |
| NVD | 2.0 | 2.1 | AV:L/AC:L/Au:N/C:N/I:N/A:P |
Affected products
- SUSE SUSE Linux Enterprise Server 12-SP5
- SUSE SUSE Linux Enterprise Server 15-SP2
Classification
- Weakness
-
- CWE-377 DEPRECATED: Insecure Temporary File
References
-
bugzilla.suse.com
/show_bug.cgi?id=1182777
exploit, issue-tracking, vendor-advisory
Sources
- CVE List CVE-2021-25316
- NVD CVE-2021-25316
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.