Bug 1431557 (CVE-2017-5985)

Summary: CVE-2017-5985 lxc: lxc-user-nic didn't verify network namespace ownership
Product: [Other] Security Response Reporter: Andrej Nemec <anemec>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: karlthered, sagarun, thomas.moschny
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Fixed In Version: Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2021-10-21 11:52:03 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Bug Depends On: 1431558, 1431559    
Bug Blocks:    

Description Andrej Nemec 2017-03-13 09:44:02 UTC
It was found that lxc-user-nic could potentially have been tricked into operating on a network namespace over which the caller did not hold privilege.



Upstream bug:


Upstream patch:


Comment 1 Andrej Nemec 2017-03-13 09:44:53 UTC
Created lxc tracking bugs for this issue:

Affects: epel-6 [bug 1431559]
Affects: epel-7 [bug 1431558]

Comment 2 Fedora Update System 2017-07-30 19:46:45 UTC
lxc-1.0.10-2.el6 has been pushed to the Fedora EPEL 6 stable repository. If problems still persist, please make note of it in this bug report.

Comment 3 Fedora Update System 2017-07-30 19:50:23 UTC
lxc-1.0.10-2.el7 has been pushed to the Fedora EPEL 7 stable repository. If problems still persist, please make note of it in this bug report.