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

Published Apr 14, 2021
·
Updated

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 Software

4 affected components
SUSE s390-tools<2.1.0-18.29.1
SUSE Linux Enterprise Server=15-sp5
SUSE s390-tools<2.11.0-9.20.1
SUSE Linux Enterprise Server=15-sp2

Event History

Apr 14, 2021
CVE Published
via MITRE·09:55 AM
Data Sourced
via MITRE·09:55 AM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is CVE-2021-25316?

CVE-2021-25316 is a vulnerability in s390-tools of SUSE Linux Enterprise Server 12-SP5 and SUSE Linux Enterprise Server 15-SP2 that allows local attackers to prevent VM live migrations.

2

Which versions of s390-tools are affected by CVE-2021-25316?

CVE-2021-25316 affects s390-tools versions prior to 2.1.0-18.29.1 and versions prior to 2.11.0-9.20.1.

3

How can CVE-2021-25316 be exploited?

To exploit CVE-2021-25316, a local attacker needs to have access to the system and can prevent VM live migrations.

4

What is the severity of CVE-2021-25316?

CVE-2021-25316 has a low severity with a CVSS score of 3.3.

5

Is SUSE Linux Enterprise Server 15-SP5 vulnerable to CVE-2021-25316?

No, SUSE Linux Enterprise Server 15-SP5 is not vulnerable to CVE-2021-25316.

Company

Resources

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