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...
Keywords:
Status: CLOSED NOTABUG
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:
Depends On: 1669449 1669469 1669470
Blocks: 1631041
TreeView+ depends on / blocked
 
Reported: 2019-01-24 14:55 UTC by Vladis Dronov
Modified: 2021-02-16 22:28 UTC (History)
25 users (show)

Fixed In Version:
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Doc Text:
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:
Environment:
Last Closed: 2019-07-12 13:06:38 UTC
Embargoed:

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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
Comment 19 Product Security DevOps Team 2019-07-12 13:06:38 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2019-3819
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