An issue was discovered in Guest.migrate in virt/libvirt/guest.py in OpenStack Nova before 19.3.1, 20.x before 20.3.1, and 21.0.0. By performing a soft reboot of an instance that has previously underg
An issue was discovered in Guest.migrate in virt/libvirt/guest.py in OpenStack Nova before 19.3.1, 20.x before 20.3.1, and 21.0.0. By performing a soft reboot of an instance that has previously undergone live migration, a user may gain access to destination host devices that share the same paths as host devices previously referenced by the virtual machine on the source host. This can include block devices that map to different Cinder volumes at the destination than at the source. Only deployments allowing host-based connections (for instance, root and ephemeral devices) are affected.
Software afectado
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| Plataforma | Paquete | Versiones vulnerables | Corregida en |
|---|---|---|---|
| Python (PyPI) | nova | < 19.3.1, >= 20.0.0, < 20.3.1, >= 21.0.0, < 21.1.0 | 19.3.1, 20.3.1, 21.1.0 |
Referencias
- https://nvd.nist.gov/vuln/detail/CVE-2020-17376
- https://github.com/openstack/nova/commit/1bb8ee95d4c3ddc3f607ac57526b75af1b7fbcff
- https://github.com/openstack/nova/commit/2faf17995dd9daa6f0b91e44be43264e447c678d
- https://github.com/openstack/nova/commit/a721ca5f510ce3c8ef24f22dac9e475b3d7651db
- https://github.com/openstack/nova/commit/b9ea91d17703f5b324a50727b6503ace0f4e95eb
- https://github.com/openstack/nova/commit/c438fd9a0eb1903306a53ab44e3ae80660d8a429
- https://github.com/openstack/nova
- https://github.com/pypa/advisory-database/tree/main/vulns/nova/PYSEC-2020-243.yaml
- https://launchpad.net/bugs/1890501
- https://security.openstack.org/ossa/OSSA-2020-006.html
- http://www.openwall.com/lists/oss-security/2020/08/25/4
- https://github.com/advisories/GHSA-c7w7-9c85-4qxv
- Vector CVSS
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L- Debilidad (CWE)
CWE-611- Plataforma
- Python (PyPI)
- Paquete
nova- Publicada
- 26.08.2020
- Actualizado
- 11.10.2026 12:20
Fuentes y licencias
OSV / GitHub Advisory Database - GHSA-c7w7-9c85-4qxv - CC BY 4.0
OSV / GitHub Advisory Database - PYSEC-2020-243 - PyPA Advisory Database; CC BY 4.0
Historial de vulnerabilidades: nova
Todas las vulnerabilidades publicadas de este paquete (Python (PyPI)), de la más reciente a la más antigua. Muestra si es un fallo aislado o un paquete que hay que vigilar.
- Entradas en total
- 49
- Primera → última
- 08.2012 06.2026
- Sin corrección
- 5
- Explotada en ataques
- 0
Distribución por gravedad
- Crítica 1
- Alta 11
- Media 29
- Baja 8
Divulgaciones por año
- 2017: 1
- 2018: 0
- 2019: 1
- 2020: 1
- 2021: 0
- 2022: 34
- 2023: 1
- 2024: 2
- 2025: 0
- 2026: 2
antes: 7
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An issue was discovered in Guest.migrate in virt/libvirt/guest.py in OpenStack Nova before 19.3.1, 20.x before 20.3.1, and 21.0.0. By performing a soft reboot of an instance that has previously underg esta entrada
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