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
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
All Linux
low Severity low
: ---
: ---
Assigned To: Red Hat Product Security
: Security
Depends On: 1457213
  Show dependency treegraph
Reported: 2017-05-16 10:42 EDT by Andrej Nemec
Modified: 2017-05-31 08:06 EDT (History)
33 users (show)

See Also:
Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of:
Last Closed: 2017-05-16 10:46:36 EDT
Type: ---
Regression: ---
Mount Type: ---
Documentation: ---
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

Attachments (Terms of Use)

  None (edit)
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:

Comment 1 Andrej Nemec 2017-05-16 10:46:36 EDT

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.

Note You need to log in before you can comment on or make changes to this bug.