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Bug 1794531 - missing definition for both TCP and UDP port 61000
Summary: missing definition for both TCP and UDP port 61000
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 8
Classification: Red Hat
Component: selinux-policy
Version: 8.2
Hardware: All
OS: Linux
medium
medium
Target Milestone: rc
: 8.4
Assignee: Zdenek Pytela
QA Contact: Milos Malik
URL:
Whiteboard:
: 1850029 (view as bug list)
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2020-01-23 19:16 UTC by Milos Malik
Modified: 2021-05-18 14:58 UTC (History)
5 users (show)

Fixed In Version:
Doc Type: No Doc Update
Doc Text:
Clone Of:
Environment:
Last Closed: 2021-05-18 14:57:35 UTC
Type: Bug
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)

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
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