What’s Vulnerable › Vulnerabilities

CVE-2023-41915

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-09-09 · updated 2026-06-17
• Weakness: CWE-362

Description

OpenPMIx PMIx before 4.2.6 and 5.0.x before 5.0.1 allows attackers to obtain ownership of arbitrary files via a race condition during execution of library code with UID 0.

Affected products

• Debian Linux: 10.0, 12.0
• Fedoraproject Fedora: 37, 38, 39
• Openpmix: before 4.2.6; 5.0.0 — fixed in 4.2.6

How to fix

Upgrade to a fixed version: Openpmix 4.2.6. Check the vendor advisory for mitigations.

References

• http://www.openwall.com/lists/oss-security/2024/07/10/3
• http://www.openwall.com/lists/oss-security/2024/07/10/4
• http://www.openwall.com/lists/oss-security/2024/07/10/6
• http://www.openwall.com/lists/oss-security/2024/07/11/3
• https://docs.openpmix.org/en/latest/security.html
• https://github.com/openpmix/openpmix/releases/tag/v4.2.6
• https://github.com/openpmix/openpmix/releases/tag/v5.0.1
• https://lists.debian.org/debian-lts-announce/2023/10/msg00048.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IFKIY6SNC3KQNZMVROWMIW6DI5XPNKQX/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SYJ7IRNR6NHJMTNOV3E3W3D5MLDRDCJX/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YDLWSMQYXF2ZGOQKCG26H6ZZA5FEH7HX/
• https://www.debian.org/security/2023/dsa-5547

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