SecuritySpace - CVE-2020-17376

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CVE ID: CVE-2020-17376

Description: 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.

Test IDs: None available

Cross References: Common Vulnerability Exposure (CVE) ID: CVE-2020-17376
http://www.openwall.com/lists/oss-security/2020/08/25/4
https://launchpad.net/bugs/1890501

CVE ID:	CVE-2020-17376
Description:	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.
Test IDs:	None available
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2020-17376 http://www.openwall.com/lists/oss-security/2020/08/25/4 https://launchpad.net/bugs/1890501