Local DoS of VM live migration due to use of static tmp files in detach_disks.sh in s390-tools
Priority LOW 16CWE-377Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
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.
Why it matters now
EPSS 0.00315 24th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed SUSE Linux Enterprise Server 12-SP5 (SUSE): 2.1.0-18.29.1SUSE Linux Enterprise Server 15-SP2 (SUSE): 2.11.0-9.20.1
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| SUSE | SUSE Linux Enterprise Server 12-SP5 | s390-tools to before 2.1.0-18.29.1 | 2.1.0-18.29.1 | Patch available | CNA |
| SUSE | SUSE Linux Enterprise Server 15-SP2 | s390-tools to before 2.11.0-9.20.1 | 2.11.0-9.20.1 | Patch available | CNA |
- SUSE Linux Enterprise Server 12-SP5 VendorSUSE Affected s390-tools to before 2.1.0-18.29.1 Fixed in 2.1.0-18.29.1 Patch available CNA
- SUSE Linux Enterprise Server 15-SP2 VendorSUSE Affected s390-tools to before 2.11.0-9.20.1 Fixed in 2.11.0-9.20.1 Patch available CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:suse:s390-tools:*:*:*:*:*:*:*:* | before 2.1.0-18.29.1 | Vulnerable | SUSE |
| cpe:2.3:o:suse:linux_enterprise_server:15:sp5:*:*:*:*:*:* | 15 sp5 | Running on | SUSE |
| cpe:2.3:a:suse:s390-tools:*:*:*:*:*:*:*:* | before 2.11.0-9.20.1 | Vulnerable | SUSE |
| cpe:2.3:o:suse:linux_enterprise_server:15:sp2:*:*:*:*:*:* | 15 sp2 | Running on | SUSE |
- cpe:2.3:a:suse:s390-tools:*:*:*:*:*:*:*:* Versions before 2.1.0-18.29.1 Vulnerable ·SUSE
- cpe:2.3:o:suse:linux_enterprise_server:15:sp5:*:*:*:*:*:* Versions 15 sp5 Running on ·SUSE
- cpe:2.3:a:suse:s390-tools:*:*:*:*:*:*:*:* Versions before 2.11.0-9.20.1 Vulnerable ·SUSE
- cpe:2.3:o:suse:linux_enterprise_server:15:sp2:*:*:*:*:*:* Versions 15 sp2 Running on ·SUSE
Remediation
- Fix · CNA SUSE Linux Enterprise Server 12-SP5 (SUSE) Fixed in 2.1.0-18.29.1
- Fix · CNA SUSE Linux Enterprise Server 15-SP2 (SUSE) Fixed in 2.11.0-9.20.1
Timeline
- 2026-10-02 Threatist record created from CVE-2021-25316
- 2026-10-03 Alias added: GHSA-xww5-ggv5-g549
References
Sources
- CVE-2021-25316 · CVE Program
- CVE-2021-25316 · NVD
- FIRST EPSS
- GHSA-xww5-ggv5-g549 · GitHub Advisory Database · CC BY 4.0
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