CVE catalog

CVE-2022-47022

hwloc: CVE-2022-47022

Severity: Medium · CVSS 4.7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Published: Aug 22, 2023, 7:16:00 PM UTC
Source: [NVD] · [CVE record]
EPSS: 0.31% · Oct 25, 2026

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.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	hwloc	sid	`2.15.0-2`	fixed
Debian	hwloc	forky	`2.15.0-2`	fixed
Debian	hwloc	trixie	`2.12.0-4`	fixed
Debian	hwloc	bookworm	`2.9.0-1`	vulnerable
Ubuntu	hwloc	14.04	`1.7.1-1`	vulnerable
Ubuntu	hwloc	14.04	`1.7.2-1`	vulnerable
Ubuntu	hwloc	14.04	`1.8-1`	vulnerable
Ubuntu	hwloc	14.04	`1.8-1ubuntu1`	vulnerable
Ubuntu	hwloc	14.04	`1.8-1ubuntu1.14.04.1`	vulnerable
Ubuntu	hwloc	16.04	`1.11.0-1`	vulnerable
Ubuntu	hwloc	16.04	`1.11.1-1`	vulnerable
Ubuntu	hwloc	16.04	`1.11.2-2`	vulnerable
Ubuntu	hwloc	16.04	`1.11.2-3`	vulnerable
Ubuntu	hwloc	18.04	`1.11.5-1`	vulnerable
Ubuntu	hwloc	18.04	`1.11.8-1`	vulnerable
Ubuntu	hwloc	18.04	`1.11.9-1`	vulnerable
Ubuntu	hwloc	20.04	`1.11.13-1`	vulnerable
Ubuntu	hwloc	20.04	`2.1.0+dfsg-2`	vulnerable
Ubuntu	hwloc	20.04	`2.1.0+dfsg-3ubuntu1`	vulnerable
Ubuntu	hwloc	20.04	`2.1.0+dfsg-4`	vulnerable
Ubuntu	hwloc	22.04	`2.4.1+dfsg-1`	vulnerable
Ubuntu	hwloc	22.04	`2.6.0-1`	vulnerable
Ubuntu	hwloc	22.04	`2.7.0-1`	vulnerable
Ubuntu	hwloc	22.04	`2.7.0-2`	vulnerable
Ubuntu	hwloc	22.04	`2.7.0-2ubuntu1`	vulnerable

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	hwloc	source	sid	`2.9.3-1`	not yet assigned	Not reported	Not reported
Debian	hwloc	source	forky	`2.9.3-1`	not yet assigned	Not reported	Not reported
Debian	hwloc	source	trixie	`2.9.3-1`	not yet assigned	Not reported	Not reported
Debian	hwloc	source	bookworm	`(unfixed)`	not yet assigned	Not reported	Not reported

Notes

[bookworm] hwloc: Minor issue

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[hwloc]Affected
Details (4)
- 2.9.0-1 · amd64 · bookworm
  Affected
  dsa · hwloc · debian · bookworm
- 2.9.0-1 · arm64 · bookworm
  Affected
  dsa · hwloc · debian · bookworm
- 2.12.0-4~bpo12+1 · amd64 · bookworm-backports
  Affected
  dsa · hwloc · debian · bookworm
- 2.12.0-4~bpo12+1 · arm64 · bookworm-backports
  Affected
  dsa · hwloc · debian · bookworm
[hwloc-nox]Affected
Source package: [hwloc]
Details (4)
- 2.9.0-1 · amd64 · bookworm
  Affected
  dsa · hwloc · debian · bookworm
- 2.9.0-1 · arm64 · bookworm
  Affected
  dsa · hwloc · debian · bookworm
- 2.12.0-4~bpo12+1 · amd64 · bookworm-backports
  Affected
  dsa · hwloc · debian · bookworm
- 2.12.0-4~bpo12+1 · arm64 · bookworm-backports
  Affected
  dsa · hwloc · debian · bookworm
[libhwloc15]Affected
Source package: [hwloc]
Details (4)
- 2.9.0-1 · amd64 · bookworm
  Affected
  dsa · hwloc · debian · bookworm
- 2.9.0-1 · arm64 · bookworm
  Affected
  dsa · hwloc · debian · bookworm
- 2.12.0-4~bpo12+1 · amd64 · bookworm-backports
  Affected
  dsa · hwloc · debian · bookworm
- 2.12.0-4~bpo12+1 · arm64 · bookworm-backports
  Affected
  dsa · hwloc · debian · bookworm
[libhwloc-common]Affected
Source package: [hwloc]
Details (4)
- 2.9.0-1 · all · bookworm
  Affected
  dsa · hwloc · debian · bookworm
- 2.9.0-1 · all · bookworm
  Affected
  dsa · hwloc · debian · bookworm
- 2.12.0-4~bpo12+1 · all · bookworm-backports
  Affected
  dsa · hwloc · debian · bookworm
- 2.12.0-4~bpo12+1 · all · bookworm-backports
  Affected
  dsa · hwloc · debian · bookworm
[libhwloc-dev]Affected
Source package: [hwloc]
Details (4)
- 2.9.0-1 · amd64 · bookworm
  Affected
  dsa · hwloc · debian · bookworm
- 2.9.0-1 · arm64 · bookworm
  Affected
  dsa · hwloc · debian · bookworm
- 2.12.0-4~bpo12+1 · amd64 · bookworm-backports
  Affected
  dsa · hwloc · debian · bookworm
- 2.12.0-4~bpo12+1 · arm64 · bookworm-backports
  Affected
  dsa · hwloc · debian · bookworm
[libhwloc-doc]Affected
Source package: [hwloc]
Details (4)
- 2.9.0-1 · all · bookworm
  Affected
  dsa · hwloc · debian · bookworm
- 2.9.0-1 · all · bookworm
  Affected
  dsa · hwloc · debian · bookworm
- 2.12.0-4~bpo12+1 · all · bookworm-backports
  Affected
  dsa · hwloc · debian · bookworm
- 2.12.0-4~bpo12+1 · all · bookworm-backports
  Affected
  dsa · hwloc · debian · bookworm
[libhwloc-plugins]Affected
Source package: [hwloc]
Details (4)
- 2.9.0-1 · amd64 · bookworm
  Affected
  dsa · hwloc · debian · bookworm
- 2.9.0-1 · arm64 · bookworm
  Affected
  dsa · hwloc · debian · bookworm
- 2.12.0-4~bpo12+1 · amd64 · bookworm-backports
  Affected
  dsa · hwloc · debian · bookworm
- 2.12.0-4~bpo12+1 · arm64 · bookworm-backports
  Affected
  dsa · hwloc · debian · bookworm

Observed: Oct 23, 2026, 6:31:08 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [SUSE security advisories and VEX]