REDHAT-BUG-1257942
First published: Fri Aug 28 2015(Updated: )
It was reported from upstream that a vulnerability was found in Nova resize state. If an authenticated user deletes an instance while it is in resize state, it will cause the original instance to not be deleted from the compute node it was running on. An attacker can use this to launch a denial of service attack. All Nova setups are affected. Affected versions: 2014.2 versions through 2014.2.3, and 2015.1 versions through 2015.1.1
| Affected Software | Affected Version | How to fix |
|---|---|---|
| OpenStack Nova-LXD | >=2014.2<=2014.2.3>=2015.1<=2015.1.1 |
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Reference Links
Frequently Asked Questions
What is the severity of REDHAT-BUG-1257942?
The severity of REDHAT-BUG-1257942 is considered high due to the potential for denial-of-service attacks.
How do I fix REDHAT-BUG-1257942?
To fix REDHAT-BUG-1257942, update OpenStack Nova to a version that is not affected by the vulnerability.
What versions are affected by REDHAT-BUG-1257942?
REDHAT-BUG-1257942 affects OpenStack Nova versions from 2014.2 to 2014.2.3 and 2015.1 to 2015.1.1.
Who can be impacted by REDHAT-BUG-1257942?
Authenticated users who can delete instances while they are in a resize state can exploit REDHAT-BUG-1257942.
What is the potential impact of REDHAT-BUG-1257942?
The potential impact of REDHAT-BUG-1257942 is that it allows attackers to cause instances not to be deleted, leading to resource exhaustion.
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