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.

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.

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.

What is the severity of CVE-2021-25316?

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

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.

Vulnerability/
CVE-2021-25316

low

3.3

CWE

377

14/4/2021

3/8/2024

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

First published: Wed 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.

Credit: meissner@suse.de

Affected Software	Affected Version	How to fix
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

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Reference Links

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

Frequently Asked Questions

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.
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.
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.
What is the severity of CVE-2021-25316?
CVE-2021-25316 has a low severity with a CVSS score of 3.3.
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.

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