CVE-2019-3819
First published: Fri Jan 25 2019(Updated: )
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. Versions from v4.18 and newer are vulnerable.
Credit: secalert@redhat.com secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | >=4.18 | |
| Debian | =8.0 | |
| Ubuntu | =14.04 | |
| Ubuntu | =16.04 | |
| SUSE Linux | =15.0 | |
| Ubuntu | =18.04 | |
| debian/linux | 5.10.223-1 5.10.234-1 6.1.123-1 6.1.128-1 6.12.12-1 6.12.17-1 |
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Reference Links
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00052.html
- http://www.securityfocus.com/bid/106730
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3819
- https://lists.debian.org/debian-lts-announce/2019/03/msg00034.html
- https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html
- https://lists.debian.org/debian-lts-announce/2019/05/msg00002.html
- https://usn.ubuntu.com/3932-1/
- https://usn.ubuntu.com/3932-2/
- https://usn.ubuntu.com/4115-1/
- https://usn.ubuntu.com/4118-1/
- https://launchpad.net/bugs/cve/CVE-2019-3819
- https://marc.info/?l=linux-input&m=154841031101012&w=2
- https://security-tracker.debian.org/tracker/CVE-2019-3819
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-3819
- https://nvd.nist.gov/vuln/detail/CVE-2019-3819
- https://ubuntu.com/security/CVE-2019-3819
Frequently Asked Questions
What is the severity of CVE-2019-3819?
CVE-2019-3819 has been assessed with a severity level that can lead to denial of service due to a potential infinite loop in the Linux kernel.
How do I fix CVE-2019-3819?
To fix CVE-2019-3819, update to a fixed version of the Linux kernel, such as 5.10.223-1 or newer.
Which versions of the Linux kernel are affected by CVE-2019-3819?
CVE-2019-3819 affects Linux kernel versions starting from 4.18.
Can a remote user exploit CVE-2019-3819?
No, CVE-2019-3819 can only be exploited by a local privileged user with root access.
What are the potential consequences of CVE-2019-3819?
The potential consequences of CVE-2019-3819 include system lock-ups and denial of service.
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