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Bug 1794531

Summary:	missing definition for both TCP and UDP port 61000
Product:	Red Hat Enterprise Linux 8	Reporter:	Milos Malik <mmalik>
Component:	selinux-policy	Assignee:	Zdenek Pytela <zpytela>
Status:	CLOSED ERRATA	QA Contact:	Milos Malik <mmalik>
Severity:	medium	Docs Contact:
Priority:	medium
Version:	8.2	CC:	info, lvrabec, mmalik, plautrba, ssekidde
Target Milestone:	rc	Keywords:	Triaged
Target Release:	8.4	Flags:	pm-rhel: mirror+
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	No Doc Update
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2021-05-18 14:57:35 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description Milos Malik 2020-01-23 19:16:10 UTC

Description of problem:
Results from RHEL-7.8:
# seinfo --portcon=61000
	portcon tcp 32768-61000 system_u:object_r:ephemeral_port_t:s0
	portcon udp 32768-61000 system_u:object_r:ephemeral_port_t:s0
	portcon sctp 1024-65535 system_u:object_r:unreserved_port_t:s0
# semanage port -l | grep 61000
ephemeral_port_t               tcp      32768-61000
ephemeral_port_t               udp      32768-61000
#

Results from RHEL-8.2:
# seinfo --portcon=61000

Portcon: 1
   portcon sctp 1024-65535 system_u:object_r:unreserved_port_t:s0
# semanage port -l | grep 61000
#

Version-Release number of selected component (if applicable):
selinux-policy-targeted-3.14.3-37.el8.noarch
selinux-policy-3.14.3-37.el8.noarch

How reproducible:
 * always

Comment 2 Zdenek Pytela 2020-06-05 15:54:29 UTC

Seems the change introduced in Fedora with this patch:

$ git show 17994ab421f6d9516523f6d75d5d79e50b6c1140
commit 17994ab421f6d9516523f6d75d5d79e50b6c1140
Author: Lukas Vrabec <lvrabec>
Date:   Wed Dec 12 15:55:16 2018 +0100

    Fixing range for ephemeral ports BZ(1518807)
    
    Range of ephemeral ports is 32768-60999 based on:
    
     # sysctl net.ipv4.ip_local_port_range
    net.ipv4.ip_local_port_range = 32768    60999

diff --git a/policy/modules/kernel/corenetwork.te.in b/policy/modules/kernel/corenetwork.te.in
index ff8ce41e8..b9b1f21e9 100644
--- a/policy/modules/kernel/corenetwork.te.in
+++ b/policy/modules/kernel/corenetwork.te.in
@@ -398,10 +398,10 @@ portcon tcp 1-511 gen_context(system_u:object_r:reserved_port_t, s0)
 portcon udp 1-511 gen_context(system_u:object_r:reserved_port_t, s0)
 portcon sctp 1-511 gen_context(system_u:object_r:reserved_port_t, s0)
 portcon tcp 1024-32767 gen_context(system_u:object_r:unreserved_port_t, s0)
-portcon tcp 32768-61000 gen_context(system_u:object_r:ephemeral_port_t, s0)
+portcon tcp 32768-60999 gen_context(system_u:object_r:ephemeral_port_t, s0)
 portcon tcp 61001-65535 gen_context(system_u:object_r:unreserved_port_t, s0)
 portcon udp 1024-32767 gen_context(system_u:object_r:unreserved_port_t, s0)
-portcon udp 32768-61000 gen_context(system_u:object_r:ephemeral_port_t, s0)
+portcon udp 32768-60999 gen_context(system_u:object_r:ephemeral_port_t, s0)
 portcon udp 61001-65535 gen_context(system_u:object_r:unreserved_port_t, s0)
 
 ########################################

has left the port 61000 without a specific label for tcp and udp:

portcon tcp 32768-60999 gen_context(system_u:object_r:ephemeral_port_t, s0)
portcon tcp 61001-65535 gen_context(system_u:object_r:unreserved_port_t, s0)
portcon udp 32768-60999 gen_context(system_u:object_r:ephemeral_port_t, s0)
portcon udp 61001-65535 gen_context(system_u:object_r:unreserved_port_t, s0)

Comment 3 Zdenek Pytela 2020-06-23 12:34:58 UTC

*** Bug 1850029 has been marked as a duplicate of this bug. ***

Comment 6 Zdenek Pytela 2020-11-10 14:07:06 UTC

I've submitted a Fedora PR to address the issue:
https://github.com/fedora-selinux/selinux-policy/pull/475

Comment 16 errata-xmlrpc 2021-05-18 14:57:35 UTC

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (selinux-policy bug fix and enhancement update), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2021:1639