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Fencer Vulns
high 8.1

CVE-2023-41915 json

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 execu…

published 2023-09-09 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-46393

cvss
8.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 69%
public exploits
0
none known

Summary

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.

Patch / fix

  • openpmix openpmix 4.2.6
  • pmix Debian 12 4.2.2-1+deb12u1
  • pmix Debian 14, Debian 13 5.0.1-1

debian advisories DEBIAN-CVE-2023-41915

  • pmix Ubuntu Pro 18.04 LTS 2.1.1~rc1-1ubuntu0.1~esm1
  • pmix Ubuntu Pro 22.04 LTS 4.1.2-2ubuntu1+esm1

ubuntu advisories UBUNTU-CVE-2023-41915

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • pmix RHEL 8 2.2.5-3.el8
  • pmix RHEL 9 3.2.3-5.el9
  • pmix-pmi RHEL 9 3.2.3-5.el9
  • pmix-tools RHEL 9 3.2.3-5.el9

red hat advisories RHSA-2024:3008RHSA-2024:2199

  • pmix SLE Module for HPC 15 SP5, SLE Module for HPC 15 SP4, openSUSE Leap 15.5 +1 more 3.2.3-150300.3.8.1

suse advisories SUSE-SU-2023:3859-1

  • pmix AlmaLinux 8 2.2.5-3.el8
  • pmix AlmaLinux 9 3.2.3-5.el9
  • pmix-pmi AlmaLinux 9 3.2.3-5.el9
  • pmix-tools AlmaLinux 9 3.2.3-5.el9

almalinux advisories ALSA-2024:3008ALSA-2024:2199

  • pmix Rocky Linux 9 3.2.3-5.el9
  • pmix Rocky Linux 8 2.2.5-3.el8

rocky linux advisories RLSA-2024:2199RLSA-2024:3008

  • pmix CBL-Mariner 2.0 4.1.3-1

azure linux advisories AZL-29702

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2023-41915 updated cvss 8.1

pmix: race condition allows attackers to obtain ownership of arbitrary files

  • Red Hat Enterprise Linux AppStream (v. 8) pmix 2.2.5-3.el8
    fixed: vendor fix RHSA-2024:3008
  • Red Hat Enterprise Linux AppStream (v. 9) pmix 3.2.3-5.el9, pmix-pmi 3.2.3-5.el9, pmix-tools 3.2.3-5.el9
    fixed: vendor fix RHSA-2024:2199
  • Red Hat Enterprise Linux CRB (v. 8) pmix-devel 2.2.5-3.el8, pmix-debuginfo 2.2.5-3.el8, pmix-debugsource 2.2.5-3.el8
    fixed: vendor fix RHSA-2024:3008
  • Red Hat Enterprise Linux CRB (v. 9) pmix-debuginfo 3.2.3-5.el9, pmix-pmi-devel 3.2.3-5.el9, pmix-debugsource 3.2.3-5.el9, pmix-pmi-debuginfo 3.2.3-5.el9, pmix-tools-debuginfo 3.2.3-5.el9
    fixed: vendor fix RHSA-2024:2199

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.23% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Classification

Weakness
  • CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.