Bug 1492640 - kernel: GPF in rt6_ifdown
kernel: GPF in rt6_ifdown
Status: CLOSED NOTABUG
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
medium Severity medium
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Assigned To: Red Hat Product Security
impact=moderate,public=20170621,repor...
: Security
Depends On: 1491465 1492641
Blocks: 1492657
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Reported: 2017-09-18 07:38 EDT by Adam Mariš
Modified: 2018-01-29 11:46 EST (History)
48 users (show)

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Last Closed: 2017-10-06 05:03:11 EDT
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Description Adam Mariš 2017-09-18 07:38:21 EDT
GPF due to NULL pointer dereference in rt6_ifdown was reported allowing local attacker to cause system denia-of-service.

Bug report (reproducer included):

https://marc.info/?l=linux-kernel&m=149806759923073&w=2
Comment 1 Adam Mariš 2017-09-18 07:40:27 EDT
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1492641]
Comment 2 Vladis Dronov 2017-10-06 05:03:11 EDT
this is not a security flaw, so closing this bz as not-a-security-bug. fixing this as a regular bugfix is handled in bz1491465.
Comment 3 Justin M. Forbes 2018-01-29 11:46:40 EST
This was fixed for Fedora with the 4.13 rebases.

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