CVE-2021-25316

Local DoS of VM live migration due to use of static tmp files in detach_disks.sh in s390-tools

LOW

3.3

CVSS Score

Published: April 14, 2021 at 09:55 AM UTC

Updated: June 17, 2026 at 03:41 AM UTC

2 products affected across 1 vendorS390-toolsLinux Enterprise Server

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Severity

LOW3.3

Exploit prediction

EPSS 0.3%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

S390-tools · SUSE

95%

v < 2.1.0-18.29.1v < 2.11.0-9.20.1

Affected range stops below 2.1.0-18.29.1, so it looks safe — our inference, not a vendor statement

Affected range stops below 2.11.0-9.20.1, so it looks safe — our inference, not a vendor statement

suse-linux-enterprise-server (environment)

Linux Enterprise Server · SUSE

60%

s390-tools ≤ v < 2.1.0-18.29.1s390-tools ≤ v < 2.11.0-9.20.1s390-tools

Affected range stops below 2.1.0-18.29.1, so it looks safe — our inference, not a vendor statement

Affected range stops below 2.11.0-9.20.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

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

References (1)

ExploitIssue TrackingVendor Advisory

Source: [email protected]

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

CVSS

3.3LOWsuse

Attack Vector: LOCAL
Complexity: LOW
Privileges: LOW
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: NONE
Integrity: NONE
Availability: LOW

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-377

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