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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | pmix | 5.0.1-1 | — |
| Debian 13 | pmix | 5.0.1-1 | — |
| Debian 12 | pmix | 4.2.2-1+deb12u1 | DSA-5547-1 |
| Debian 11 | pmix | 4.0.0-4.1+deb11u1 | DSA-5547-1 |
| Debian 10 | pmix | 3.1.2-3+deb10u1 | DLA-3643-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 22.04 LTS | pmix | 4.1.2-2ubuntu1+esm1 | USN-6434-1 |
| Ubuntu Pro 20.04 LTS | pmix | 3.1.5-1ubuntu0.1~esm1 | USN-6434-1 |
| Ubuntu Pro 18.04 LTS | pmix | 2.1.1~rc1-1ubuntu0.1~esm1 | USN-6434-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | pmix +4 | 3.2.3-5.el9 | RHSA-2024:2199 |
| RHEL 8 | pmix +1 | 2.2.5-3.el8 | RHSA-2024:3008 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | pmix +4 | 3.2.3-5.el9 | ALSA-2024:2199 |
| AlmaLinux 8 | pmix +1 | 2.2.5-3.el8 | ALSA-2024:3008 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 9 | pmix | 3.2.3-5.el9 | RLSA-2024:2199 |
| Rocky Linux 8 | pmix | 2.2.5-3.el8 | RLSA-2024:3008 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP5 | pmix | 3.2.3-150300.3.8.1 | SUSE-SU-2023:3859-1 |
| SLES 15 SP4 | pmix | 3.2.3-150300.3.8.1 | SUSE-SU-2023:3859-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.5 | pmix | 3.2.3-150300.3.8.1 | SUSE-SU-2023:3859-1 |
| openSUSE Leap 15.4 | pmix | 3.2.3-150300.3.8.1 | SUSE-SU-2023:3859-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | pmix +4 | 3.2.3-1.amzn2023.0.3 | ALAS2023-2023-363 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 2 (CBL-Mariner) | pmix | 4.1.3-1 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | pmix +4 | 3.2.3-5.el9 | ELSA-2024-2199 |
| Oracle Linux 8 | pmix +1 | 2.2.5-3.el8 | ELSA-2024-3008 |
Advisories 14
- ALSA-2024:2199 Important: pmix security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2024:3008 Important: pmix security update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2024:3008 Red Hat Security Advisory: pmix security update Red Hat Security Advisories (RHSA) · Jun 30, 2026
- RHSA-2024:2199 Red Hat Security Advisory: pmix security update Red Hat Security Advisories (RHSA) · Jun 30, 2026
- USN-6434-1 pmix vulnerability Ubuntu Security Notices (USN) · Apr 27, 2026
- DSA-5547-1 pmix - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-3643-1 pmix - security update Debian Security (DSA / DLA) · Mar 9, 2026
- RLSA-2024:3008 Important: pmix security update Rocky Linux Security Advisories · Feb 5, 2026
- SUSE-SU-2023:3859-1 Security update for pmix SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2024-0995 Red Hat Enterprise Linux: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 17, 2025
- RLSA-2024:2199 Important: pmix security update Rocky Linux Security Advisories · Oct 7, 2025
- ELSA-2024-3008 Important: pmix security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · May 23, 2024
- ELSA-2024-2199 Important: pmix security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · May 2, 2024
- ALAS2023-2023-363 Moderate: pmix security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Oct 3, 2023
References
- https://docs.openpmix.org/en/latest/security.html
- https://github.com/openpmix/openpmix/releases/tag/v5.0.1
- https://github.com/openpmix/openpmix/releases/tag/v4.2.6
- FEDORA-2023-1185eca900 vendor-advisory
- FEDORA-2023-d6dbdf62ad vendor-advisory
- FEDORA-2023-155d2f22f1 vendor-advisory
- [debian-lts-announce] 20231031 [SECURITY] [DLA 3643-1] pmix security update mailing-list
- DSA-5547 vendor-advisory
- [oss-security] 20240710 linux-distros application for CentOS Project's Hyperscale SIG mailing-list
- [oss-security] 20240710 Re: linux-distros application for CentOS Project's Hyperscale SIG mailing-list
- [oss-security] 20240710 Re: linux-distros application for CentOS Project's Hyperscale SIG mailing-list
- [oss-security] 20240710 Re: linux-distros application for CentOS Project's Hyperscale SIG mailing-list