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Bug 1285779 - Do not access /dev/random in the selftest and use /dev/urandom instead of /dev/random if unavailable
Summary: Do not access /dev/random in the selftest and use /dev/urandom instead of /de...
Keywords:
Status: CLOSED WONTFIX
Alias: None
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: libgcrypt
Version: 6.7
Hardware: Unspecified
OS: Unspecified
low
low
Target Milestone: rc
: ---
Assignee: Tomas Mraz
QA Contact: BaseOS QE Security Team
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2015-11-26 12:39 UTC by Stanislav Zidek
Modified: 2016-05-25 16:25 UTC (History)
0 users

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of: 1205217
Environment:
Last Closed: 2016-05-25 16:25:53 UTC
Target Upstream Version:
Embargoed:


Attachments (Terms of Use)

Description Stanislav Zidek 2015-11-26 12:39:36 UTC
+++ This bug was initially created as a clone of Bug #1205217 +++

Same problem present in RHEL-6 (libgcrypt-1.4.5-11.el6_4).

SELinux blocks many confined domains from accessing /dev/random which is correct as pulling from it drains system entropy. libgcrypt should not try to access it and it should also gracefully fallback to /dev/urandom instead of abort.

Comment 1 Tomas Mraz 2015-11-26 12:58:14 UTC
The situation is different on RHEL-6 as the selftest is not run in the library constructor there. So although the problem is still there it is less pronounced and we do not have any customer case attached for RHEL-6.

Comment 2 Stanislav Zidek 2015-11-26 17:24:23 UTC
Thanks for noting, Tomas. Taking it into consideration, I am further lowering the priority and severity.

Comment 4 RHEL Program Management 2016-05-25 16:25:53 UTC
Development Management has reviewed and declined this request.
You may appeal this decision by reopening this request.


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