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: CLOSED ERRATA
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: 2022-03-24 13:45 UTC (History)
22 users (show)

Fixed In Version: neutron 16.4.1, neutron 17.2.1, neutron 18.1.1
Clone Of:
Environment:
Last Closed: 2022-03-24 13:45:52 UTC
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2022:0990 0 None None None 2022-03-24 10:56:22 UTC
Red Hat Product Errata RHSA-2022:0996 0 None None None 2022-03-23 22:28:06 UTC

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 1 Summer Long 2021-09-13 04:06:47 UTC 
Upstream patches:
    https://review.opendev.org/807638 (Queens)
    https://review.opendev.org/807637 (Rocky)
    https://review.opendev.org/807636 (Stein)
    https://review.opendev.org/807635 (Train)
    https://review.opendev.org/807634 (Ussuri)
    https://review.opendev.org/807633 (Victoria)
    https://review.opendev.org/807632 (Wallaby)
    https://review.opendev.org/807335 (Xena)
Comment 2 Summer Long 2021-09-14 23:43:32 UTC 
Created openstack-neutron tracking bugs for this issue:

Affects: openstack-rdo [bug 2004296]
Comment 5 errata-xmlrpc 2022-03-23 22:28:03 UTC 
This issue has been addressed in the following products:

  Red Hat OpenStack Platform 16.2

Via RHSA-2022:0996 https://access.redhat.com/errata/RHSA-2022:0996
Comment 6 errata-xmlrpc 2022-03-24 10:56:13 UTC 
This issue has been addressed in the following products:

  Red Hat OpenStack Platform 16.1

Via RHSA-2022:0990 https://access.redhat.com/errata/RHSA-2022:0990
Comment 7 Product Security DevOps Team 2022-03-24 13:45:49 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2021-40797
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