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
Doc Type: If docs needed, set a value
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.
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
Note You need to log in before you can comment on or make changes to this bug.