Bug 1222027 (CVE-2015-0847) - CVE-2015-0847 nbd: nbd-server denial of service due to unsafe signal handlers
Summary: CVE-2015-0847 nbd: nbd-server denial of service due to unsafe signal handlers
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2015-0847
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1222028 1222029 1222030
Blocks:
TreeView+ depends on / blocked
 
Reported: 2015-05-15 14:18 UTC by Fabio Olive Leite
Modified: 2019-09-29 13:32 UTC (History)
4 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2019-06-08 02:41:16 UTC
Embargoed:

Attachments (Terms of Use)

Description Fabio Olive Leite 2015-05-15 14:18:26 UTC 
It was reported that nbd-server in the nbd package does unsafe signal
handling, calling non-reentrant operations from signal handlers and
therefore risking undefined operation and crashes.

References:
http://sourceforge.net/p/nbd/mailman/message/34091218/
Comment 1 Fabio Olive Leite 2015-05-15 14:19:16 UTC 
Created nbd tracking bugs for this issue:

Affects: fedora-all [bug 1222028]
Affects: epel-6 [bug 1222029]
Affects: epel-7 [bug 1222030]
Comment 2 Fedora Update System 2015-08-13 16:54:31 UTC 
nbd-3.11-1.fc21 has been pushed to the Fedora 21 stable repository.  If problems still persist, please make note of it in this bug report.
Comment 3 Fedora Update System 2015-08-13 16:55:59 UTC 
nbd-3.11-1.fc22 has been pushed to the Fedora 22 stable repository.  If problems still persist, please make note of it in this bug report.
Comment 4 Fedora Update System 2015-08-22 19:25:28 UTC 
nbd-3.11-1.el7 has been pushed to the Fedora EPEL 7 stable repository. If problems still persist, please make note of it in this bug report.
Comment 5 Product Security DevOps Team 2019-06-08 02:41:16 UTC 
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.
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