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Debian Security Advisory DSA-5547-1                   security@debian.org
https://www.debian.org/security/                     Salvatore Bonaccorso
November 04, 2023                     https://www.debian.org/security/faq
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Package        : pmix
CVE ID         : CVE-2023-41915
Debian Bug     : 1051729

Francois Diakhate reported that a race condition in pmix, a library
implementing Process Management Interface (PMI) Exascale API, could
allow a malicious user to obtain ownership of an arbitrary file on the
filesystem when parts of the PMIx library are called by a process with
elevated privileges, resulting in privilege escalation. This may
happen under the default configuration of certain workload managers,
including Slurm.

For the oldstable distribution (bullseye), this problem has been fixed
in version 4.0.0-4.1+deb11u1.

For the stable distribution (bookworm), this problem has been fixed in
version 4.2.2-1+deb12u1.

We recommend that you upgrade your pmix packages.

For the detailed security status of pmix please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/source-package/pmix

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org

Debian: DSA-5547-1: pmix security update

November 4, 2023
Francois Diakhate reported that a race condition in pmix, a library implementing Process Management Interface (PMI) Exascale API, could allow a malicious user to obtain ownership o...

Summary

For the oldstable distribution (bullseye), this problem has been fixed
in version 4.0.0-4.1+deb11u1.

For the stable distribution (bookworm), this problem has been fixed in
version 4.2.2-1+deb12u1.

We recommend that you upgrade your pmix packages.

For the detailed security status of pmix please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/source-package/pmix

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org

Severity
Francois Diakhate reported that a race condition in pmix, a library
implementing Process Management Interface (PMI) Exascale API, could
allow a malicious user to obtain ownership of an arbitrary file on the
filesystem when parts of the PMIx library are called by a process with
elevated privileges, resulting in privilege escalation. This may
happen under the default configuration of certain workload managers,
including Slurm.

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