Bug 1451393 - (CVE-2017-8925) CVE-2017-8925 kernel: Reference count mishandling in the omninet_open function
CVE-2017-8925 kernel: Reference count mishandling in the omninet_open function
Status: CLOSED WONTFIX
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
low Severity low
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Assigned To: Red Hat Product Security
impact=low,public=20170306,reported=2...
: Security
Depends On: 1457213
Blocks:
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Reported: 2017-05-16 10:42 EDT by Andrej Nemec
Modified: 2017-05-31 08:06 EDT (History)
33 users (show)

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Last Closed: 2017-05-16 10:46:36 EDT
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Description Andrej Nemec 2017-05-16 10:42:21 EDT
The omninet_open function in drivers/usb/serial/omninet.c in the Linux kernel allows local users to cause a denial of service (tty exhaustion) by leveraging reference count mishandling.

Upstream patch:

https://github.com/torvalds/linux/commit/30572418b445d85fcfe6c8fe84c947d2606767d8
Comment 1 Andrej Nemec 2017-05-16 10:46:36 EDT
Statement:

Red Hat Product Security has rated this issue as having Low security impact. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.
Comment 2 Vladis Dronov 2017-05-31 07:06:14 EDT
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1457213]
Comment 6 Justin M. Forbes 2017-05-31 08:06:39 EDT
This was fixed for Fedora with the 4.10.4 stable update which first shipped to Fedora releases in March.

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