How severe is CVE-2022-47022?

CVE-2022-47022 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2022-47022 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-47022?

CVE-2022-47022 affects Open-mpi Hwloc. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-47022?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-47022 published?

CVE-2022-47022 was published on 2023-08-22 and last updated on 2026-06-17.

CVE-2022-47022

CVE-2022-47022 is a medium-severity vulnerability in Open-mpi Hwloc with a CVSS 3.x base score of 4.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-476.

Key facts

Severity: Medium (CVSS 3.x base score 4.7)
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Open-mpi Hwloc
Published: 2023-08-22
Last modified: 2026-06-17

Description

An issue was discovered in open-mpi hwloc 2.1.0 allows attackers to cause a denial of service or other unspecified impacts via glibc-cpuset in topology-linux.c.

Frequently asked questions

What is CVE-2022-47022?: An issue was discovered in open-mpi hwloc 2.1.0 allows attackers to cause a denial of service or other unspecified impacts via glibc-cpuset in topology-linux.c.
How severe is CVE-2022-47022?: CVE-2022-47022 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2022-47022 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-47022?: CVE-2022-47022 affects Open-mpi Hwloc. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-47022?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-47022 published?: CVE-2022-47022 was published on 2023-08-22 and last updated on 2026-06-17.

References

https://github.com/open-mpi/hwloc/issues/544

Affected products (1)

cpe:2.3:a:open-mpi:hwloc:*:*:*:*:*:*:*:*

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