Linux Kernel 4.18 drivers/hid/hid-debug.c hid_debug_events_read resource consumption

CVSS Meta Temp Score
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CTI Interest Score
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4.7$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Linux Kernel 4.18. This issue affects the function hid_debug_events_read of the file drivers/hid/hid-debug.c. The manipulation results in resource consumption. This vulnerability is identified as CVE-2019-3819. The attack is only possible with local access. There is not any exploit available.

Detailsinfo

A vulnerability classified as problematic has been found in Linux Kernel 4.18 (Operating System). Affected is the function hid_debug_events_read of the file drivers/hid/hid-debug.c. The manipulation with an unknown input leads to a resource consumption vulnerability. CWE is classifying the issue as CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. This is going to have an impact on availability. CVE summarizes:

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.

The bug was discovered 01/28/2019. The weakness was released 01/25/2019 as confirmed bug report (Bugzilla). The advisory is available at bugzilla.redhat.com. This vulnerability is traded as CVE-2019-3819 since 01/03/2019. Local access is required to approach this attack. A authentication is necessary for exploitation. Technical details are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 215375 (Azure Linux 3.0 Security Update: kernel (CVE-2019-3819)), which helps to determine the existence of the flaw in a target environment. The commercial vulnerability scanner Qualys is able to test this issue with plugin 172169 (SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2019:0765-1)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Tenable (215375) and SecurityFocus (BID 106730†). Entries connected to this vulnerability are available at VDB-130406, VDB-130997, VDB-131975 and VDB-133346. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.7
VulDB Meta Temp Score: 4.7

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.4
NVD Vector: 🔍

CNA Base Score: 4.2
CNA Vector (Red Hat, Inc.): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 215375
Nessus Name: Azure Linux 3.0 Security Update: kernel (CVE-2019-3819)

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/03/2019 🔍
01/25/2019 +22 days 🔍
01/25/2019 +0 days 🔍
01/25/2019 +0 days 🔍
01/26/2019 +1 days 🔍
01/28/2019 +2 days 🔍
02/11/2025 +2206 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: USN-3932-1
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2019-3819 (🔍)
GCVE (CVE): GCVE-0-2019-3819
GCVE (VulDB): GCVE-100-130266
SecurityFocus: 106730 - Linux Kernel CVE-2019-3819 Local Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 01/26/2019 18:52
Updated: 02/11/2025 04:11
Changes: 01/26/2019 18:52 (64), 05/06/2020 11:12 (4), 07/03/2023 14:39 (3), 07/03/2023 14:41 (12), 02/11/2025 04:11 (16)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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