Bug 1669187 (CVE-2019-3819) - CVE-2019-3819 kernel: infinite loop in drivers/hid/hid-debug.c:hid_debug_events_read()
Summary: CVE-2019-3819 kernel: infinite loop in drivers/hid/hid-debug.c:hid_debug_even...
Status: NEW
Alias: CVE-2019-3819
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: impact=low,public=20190125,reported=2...
Keywords: Security
Depends On: 1669449 1669469 1669470
Blocks: 1631041
TreeView+ depends on / blocked
 
Reported: 2019-01-24 14:55 UTC by Vladis Dronov
Modified: 2019-06-14 09:15 UTC (History)
25 users (show)

(edit)
A flaw was found in the Linux kernel in the function hid_debug_events_read() in the drivers/hid/hid-debug.c file which may enter an infinite loop with certain parameters passed from a user space. A local privileged user ("root") can cause a system lock up and a denial of service.
Clone Of:
(edit)
Last Closed:


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Description Vladis Dronov 2019-01-24 14:55:58 UTC
A flaw was found in the Linux kernel in the function hid_debug_events_read() in drivers/hid/hid-debug.c file which may enter an infinite loop with certain parameters passed from a userspace. A local privileged user ("root") can cause a system lock up and a denial of service.

References:

https://lore.kernel.org/lkml/20190129105835.4723-1-vdronov@redhat.com/T/#u

https://marc.info/?t=154875959000006&r=1&w=2

An upstream patch:

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=13054abbaa4f1fd4e6f3b4b63439ec033b4c8035

Comment 1 Vladis Dronov 2019-01-24 14:56:00 UTC
Acknowledgments:

Name: Vladis Dronov (Red Hat)

Comment 3 Vladis Dronov 2019-01-25 10:23:45 UTC
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1669449]

Comment 7 Pedro Sampaio 2019-01-25 13:33:51 UTC
Introducing commit:

https://github.com/torvalds/linux/commit/717adfdaf14704fd3ec7fa2c04520c0723247eac


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