SUSE update for pmix

1) Race condition

EUVDB-ID: #VU80882

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-41915

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a race condition when the PMIx library called is called by a process
running as uid 0. A local user can exploit the race and obtain ownership of an arbitrary file on the filesystem.

Mitigation

Update the affected package pmix to the latest version.

Vulnerable software versions

HPC Module: 15-SP4 - 15-SP5

SUSE Linux Enterprise High Performance Computing 15: SP4 - SP5

openSUSE Leap: 15.4 - 15.5

pmix-mca-params: before 3.2.3-150300.3.8.1

pmix-headers: before 3.2.3-150300.3.8.1

pmix-devel: before 3.2.3-150300.3.8.1

pmix-debugsource: before 3.2.3-150300.3.8.1

pmix-debuginfo: before 3.2.3-150300.3.8.1

libmca_common_dstore1: before 3.2.3-150300.3.8.1

libpmix2: before 3.2.3-150300.3.8.1

pmix-test: before 3.2.3-150300.3.8.1

pmix-plugin-munge-debuginfo: before 3.2.3-150300.3.8.1

libmca_common_dstore1-debuginfo: before 3.2.3-150300.3.8.1

pmix-plugins-debuginfo: before 3.2.3-150300.3.8.1

pmix-test-debuginfo: before 3.2.3-150300.3.8.1

pmix-plugin-munge: before 3.2.3-150300.3.8.1

pmix-plugins: before 3.2.3-150300.3.8.1

pmix: before 3.2.3-150300.3.8.1

libpmix2-debuginfo: before 3.2.3-150300.3.8.1

External links

http://www.suse.com/support/update/announcement/2023/suse-su-20233859-1/

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.