Bug 2003248 (CVE-2021-40797) - CVE-2021-40797 openstack-neutron: Routes middleware memory leak for nonexistent controllers
Summary: CVE-2021-40797 openstack-neutron: Routes middleware memory leak for nonexiste...
Keywords:
Status: NEW
Alias: CVE-2021-40797
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2004296 2004297 2004298
Blocks: 2003249
TreeView+ depends on / blocked
 
Reported: 2021-09-10 19:09 UTC by Pedro Sampaio
Modified: 2021-09-21 18:55 UTC (History)
22 users (show)

Fixed In Version: neutron 16.4.1, neutron 17.2.1, neutron 18.1.1
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Doc Text:
A resource-allocation flaw was found in openstack-neutron. An authenticated attacker could make API requests involving nonexistent controllers causing the API worker to consume increasing amounts of memory. This flaw could be exploited to force API performance degradation or denial of service.
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Description Pedro Sampaio 2021-09-10 19:09:47 UTC
A flaw was found in openstack-neutron <16.4.1, >=17.0.0 <17.2.1, >=18.0.0 <18.1.1. By making API requests involving nonexistent controllers, an authenticated user may cause the API worker to consume increasing amounts of memory, resulting in API performance degradation or denial of service.

References:

https://launchpad.net/bugs/1942179
https://security.openstack.org/ossa/OSSA-2021-006.html
http://www.openwall.com/lists/oss-security/2021/09/09/2

Comment 2 Summer Long 2021-09-14 23:43:32 UTC
Created openstack-neutron tracking bugs for this issue:

Affects: openstack-rdo [bug 2004296]


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