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Bug 1672245 - mongod denied access to open and read /proc/net/netstat for Diagnostic Parameters (FTDC)
Summary: mongod denied access to open and read /proc/net/netstat for Diagnostic Parame...
Keywords:
Status: CLOSED WONTFIX
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: selinux-policy
Version: 7.6
Hardware: x86_64
OS: Linux
low
medium
Target Milestone: rc
: ---
Assignee: Lukas Vrabec
QA Contact: Milos Malik
URL:
Whiteboard:
: 1766194 (view as bug list)
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2019-02-04 11:11 UTC by Deepu K S
Modified: 2019-10-29 11:52 UTC (History)
9 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2019-02-28 19:12:22 UTC
Target Upstream Version:
Embargoed:


Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Bugzilla 1599230 0 unspecified CLOSED Mongodb 4.0 avc denied - snmp and netstat 2021-02-22 00:41:40 UTC

Description Deepu K S 2019-02-04 11:11:52 UTC
Description of problem:
In MongoDB community edition 3.4.16, 3.6.6, 4.0.0 and later versions, mongod tries to read netstat info from /proc/net and store it in its diagnostic system (FTDC). See: https://jira.mongodb.org/browse/SERVER-31400

This means that we need to adjust the policy so that the mongod process is allowed to open and read /proc/net/netstat, which also typically has symlinks (e.g. /proc/net/snmp).

Upstream PR is https://github.com/fedora-selinux/selinux-policy-contrib/pull/79 and merged to Fedora 28, 29.

We request to backport the fix to RHEL 7.


Version-Release number of selected component (if applicable):
Red Hat Enterprise Linux 7.6
selinux-policy-3.13.1-229.el7_6.5.noarch

How reproducible:
Always

Steps to Reproduce:
1. Install instructions are here,
https://jira.mongodb.org/browse/SERVER-38704

This is the MongoDB bug report.


Actual results:
# tail -f /var/log/audit/audit.log | grep -i ftdc | grep denied
type=AVC msg=audit(1549277003.001:17379): avc:  denied  { read } for  pid=6157 comm="ftdc" name="snmp" dev="proc" ino=4026532002 scontext=system_u:system_r:mongod_t:s0 tcontext=system_u:object_r:proc_net_t:s0 tclass=file
type=AVC msg=audit(1549277004.005:17380): avc:  denied  { read } for  pid=6157 comm="ftdc" name="netstat" dev="proc" ino=4026532001 scontext=system_u:system_r:mongod_t:s0 tcontext=system_u:object_r:proc_net_t:s0 tclass=file
type=AVC msg=audit(1549277004.005:17381): avc:  denied  { read } for  pid=6157 comm="ftdc" name="snmp" dev="proc" ino=4026532002 scontext=system_u:system_r:mongod_t:s0 tcontext=system_u:object_r:proc_net_t:s0 tclass=file
type=AVC msg=audit(1549277005.005:17382): avc:  denied  { read } for  pid=6157 comm="ftdc" name="netstat" dev="proc" ino=4026532001 scontext=system_u:system_r:mongod_t:s0 tcontext=system_u:object_r:proc_net_t:s0 tclass=file
type=AVC msg=audit(1549277005.005:17383): avc:  denied  { read } for  pid=6157 comm="ftdc" name="snmp" dev="proc" ino=4026532002 scontext=system_u:system_r:mongod_t:s0 tcontext=system_u:object_r:proc_net_t:s0 tclass=file
type=AVC msg=audit(1549277006.001:17384): avc:  denied  { read } for  pid=6157 comm="ftdc" name="netstat" dev="proc" ino=4026532001 scontext=system_u:system_r:mongod_t:s0 tcontext=system_u:object_r:proc_net_t:s0 tclass=file
type=AVC msg=audit(1549277006.001:17385): avc:  denied  { read } for  pid=6157 comm="ftdc" name="snmp" dev="proc" ino=4026532002 scontext=system_u:system_r:mongod_t:s0 tcontext=system_u:object_r:proc_net_t:s0 tclass=file


Expected results:
No SELinux denials.

Additional info:

Comment 3 Zdenek Pytela 2019-02-28 19:12:22 UTC
This issue was not selected to be included in Red Hat Enterprise Linux 7.7 because it is seen either as low or moderate impact to a small number of use-cases. The next release will be in Maintenance Support 1 Phase, which means that qualified Critical and Important Security errata advisories (RHSAs) and Urgent Priority Bug Fix errata advisories (RHBAs) may be released as they become available.

We will now close this issue, but if you believe that it qualifies for the Maintenance Support 1 Phase, please re-open; otherwise, we recommend moving the request to Red Hat Enterprise Linux 8 if applicable.

Comment 4 Lukas Vrabec 2019-10-29 11:52:52 UTC
*** Bug 1766194 has been marked as a duplicate of this bug. ***


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