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CVE-2022-47022

15
FAUCET Score

CVE-2022-47022 is a denial-of-service vulnerability affecting open-mpi hwloc version 2.1.0, specifically within the glibc-cpuset functionality in topology-linux.c. With a CVSS score of 4.7 (Medium), it requires low privileges and high attack complexity, potentially leading to a denial of service or other unspecified impacts. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.1.0, <= 2.9.2CPE matchmatch criteria
cpe:2.3:a:open-mpi:hwloc:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.7MEDIUM

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.0
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.29%
Probability of exploitation in next 30 days
EPSS Percentile
20.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0029 is in the 65th percentile among its peer group of 1,297 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.4 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (7)

microsoftpatch availablevia msrc
Product: 18838-17084Fixed in: 4.1.7-2
microsoftpatch availablevia msrc
Product: azl3 hwloc 2.9.2-2 on Azure Linux 3.0Fixed in: 2.9.2-2
microsoftpatch availablevia msrc
Product: azl3 openmpi 4.1.7-2 on Azure Linux 3.0Fixed in: 4.1.7-2
microsoftpatch availablevia msrc
Product: 18839-17084Fixed in: 2.9.2-2
github_advisoryvendor investigatingvia nvd_reference
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: hwloc
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: hwloc

Vendor Advisories (2)

redhatCVE-2022-47022Moderate

hwloc: null pointer dereference bug in open-mpi hwloc

Aug 22, 2023
microsoft2023-Aug/CVE-2022-47022Moderate

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.

Aug 8, 2023

References

github.com / open-mpi/hwloc/issues/544
ExploitIssue TrackingVendor Advisory