How severe is CVE-2021-25316?

CVE-2021-25316 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2021-25316 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-25316?

CVE-2021-25316 affects Suse S390-tools. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-25316?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-25316 published?

CVE-2021-25316 was published on 2021-04-14 and last updated on 2026-06-17.

CVE-2021-25316

CVE-2021-25316 is a low-severity vulnerability in Suse S390-tools with a CVSS 3.x base score of 3.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-377.

Key facts

Severity: Low (CVSS 3.x base score 3.3)
CVSS v2: 2.1
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-377
Affected product: Suse S390-tools
Published: 2021-04-14
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2021-25316?: 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.
How severe is CVE-2021-25316?: CVE-2021-25316 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2021-25316 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-25316?: CVE-2021-25316 affects Suse S390-tools. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-25316?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-25316 published?: CVE-2021-25316 was published on 2021-04-14 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:suse:s390-tools:*:*:*:*:*:*:*:*

Other CWE-377 (Insecure Temporary File) vulnerabilities

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CVE-2015-5224 — Critical (CVSS 9.8): The mkostemp function in login-utils in util-linux when used incorrectly allows remote attackers to cause file name…
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