Bug 1451393 (CVE-2017-8925) - CVE-2017-8925 kernel: Reference count mishandling in the omninet_open function
Summary: CVE-2017-8925 kernel: Reference count mishandling in the omninet_open function
Keywords:
Status: CLOSED WONTFIX
Alias: CVE-2017-8925
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: 1457213
Blocks:
TreeView+ depends on / blocked
 
Reported: 2017-05-16 14:42 UTC by Andrej Nemec
Modified: 2021-02-17 02:08 UTC (History)
33 users (show)

Fixed In Version:
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Last Closed: 2017-05-16 14:46:36 UTC
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Description Andrej Nemec 2017-05-16 14:42:21 UTC 
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 14:46:36 UTC 
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 11:06:14 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1457213]
Comment 6 Justin M. Forbes 2017-05-31 12:06:39 UTC 
This was fixed for Fedora with the 4.10.4 stable update which first shipped to Fedora releases in March.
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