CVE-2019-3819
MediumA 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.
CVSS 3.1 score
4.4
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Weakness type
CWE-835CVE-2019-3819 is a Infinite Loop vulnerability
What is Infinite Loop?
The product contains an iteration that does not exit even when it should. Learn more on MITRE CWE
References
The following references provide additional information about CVE-2019-3819 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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Mailing List Third Party Advisory
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Securityfocushttp://www.securityfocus.com/bid/106730Third Party Advisory VDB Entry
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Mailing List Third Party Advisory
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Mailing List Third Party Advisory
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Mailing List Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/3932-1/Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/3932-2/Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/4115-1/Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/4118-1/Third Party Advisory
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PatchKernel patch commithttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3819
Frequently asked questions
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What is CVE-2019-3819?
CVE-2019-3819 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.4 out of 10 , classified as an Infinite Loop flaw (CWE-835) . CVE-2019-3819 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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What is the CVSS score for CVE-2019-3819?
CVE-2019-3819 has a CVSS score of 4.4 out of 10, rated Medium severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H. -
Is there a patch available for CVE-2019-3819?
No patch is currently available for CVE-2019-3819. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
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Is CVE-2019-3819 actively exploited?
No — CVE-2019-3819 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
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What is Infinite Loop (CWE-835)?
The product contains an iteration that does not exit even when it should. View CWE-835 on MITRE CWE →