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Bug 914381 (CVE-2023-41915) - <sys-cluster/pmix-4.2.8: root privilege escalation
Summary: <sys-cluster/pmix-4.2.8: root privilege escalation
Alias: CVE-2023-41915
Product: Gentoo Security
Classification: Unclassified
Component: Vulnerabilities (show other bugs)
Hardware: All Linux
: Normal trivial (vote)
Assignee: Gentoo Security
Whiteboard: ~1 [noglsa cleanup]
Depends on:
Reported: 2023-09-18 12:54 UTC by Timo Rothenpieler
Modified: 2023-12-20 10:18 UTC (History)
1 user (show)

See Also:
Package list:
Runtime testing required: ---


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Description Timo Rothenpieler 2023-09-18 12:54:50 UTC
pmix just released a bunch of new versions for all supported (and officially unsupported) branches:

All of them address CVE-2023-41915.
Comment 1 John Helmert III archtester Gentoo Infrastructure gentoo-dev Security 2023-10-22 23:39:05 UTC

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.

Fixes indeed appear to be in 4.2.6 and 5.0.1:
Comment 2 Larry the Git Cow gentoo-dev 2023-12-20 10:04:06 UTC
The bug has been referenced in the following commit(s):

commit cd296783cab97c794a2afb16c2049890ad357880
Author:     Sam James <>
AuthorDate: 2023-12-20 10:03:19 +0000
Commit:     Sam James <>
CommitDate: 2023-12-20 10:03:29 +0000

    sys-cluster/pmix: add 4.2.8
    Signed-off-by: Sam James <>

 sys-cluster/pmix/Manifest          |  1 +
 sys-cluster/pmix/pmix-4.2.8.ebuild | 38 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 39 insertions(+)