Bug 1421075 – allow rules exist which circumvent the deny_ptrace boolean

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Bug 1421075 - allow rules exist which circumvent the deny_ptrace boolean

Summary:	allow rules exist which circumvent the deny_ptrace boolean

Status:	CLOSED ERRATA

Aliases:	None

Product:	Red Hat Enterprise Linux 7
Classification:	Red Hat
Component:	selinux-policy (Show other bugs)
Sub Component:
Version:	7.4
Hardware:	All Linux

Priority	medium Severity medium
Target Milestone:	rc
Target Release:	---
Assigned To:	Lukas Vrabec
QA Contact:	Milos Malik
Docs Contact:

URL:
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Depends On:
Blocks:
	Show dependency tree / graph

Reported:	2017-02-10 04:58 EST by Milos Malik
Modified:	2018-04-10 08:26 EDT (History)
CC List:	6 users (show)

See Also:
Fixed In Version:	selinux-policy-3.13.1-175.el7
Doc Type:	If docs needed, set a value
Doc Text:
Story Points:	---
Clone Of:
Environment:
Last Closed:	2018-04-10 08:26:56 EDT
Type:	Bug
Regression:	---
Mount Type:	---
Documentation:	---
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Verified Versions:
Category:	---
oVirt Team:	---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---

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External Trackers
Tracker	ID	Priority	Status	Summary	Last Updated
Red Hat Product Errata	RHBA-2018:0763	normal	SHIPPED_LIVE	selinux-policy bug fix and enhancement update	2018-04-10 08:08:10 EDT

Groups: None (edit)

Description Milos Malik 2017-02-10 04:58:13 EST

Description of problem:
All rules which allow the ptrace operation should be controlled via the deny_ptrace boolean.
* https://fedoraproject.org/wiki/Features/SELinuxDenyPtrace

Version-Release number of selected component (if applicable):
selinux-policy-targeted-3.13.1-117.el7.noarch
selinux-policy-3.13.1-117.el7.noarch

How reproducible:
* always

Steps to Reproduce:
# sesearch --allow -C -p ptrace | grep -v deny_ptrace | grep allow
   allow sysadm_t hwloc_dhwd_t : process { transition sigchld sigkill sigstop signull signal ptrace getattr } ; 
   allow abrt_dump_oops_t domain : process { signull ptrace getattr } ; 
#

Actual results:
* the output of above-mentioned command contains 2 allow rules

Expected results:
* the output of above-mentioned command is empty

Comment 9 errata-xmlrpc 2018-04-10 08:26:56 EDT

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, 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-2018:0763

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