Linux Kernel up to 5.0.5 net/core/net-sysfs.c rx_queue_add_kobject Object

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Linux Kernel up to 5.0.5. The impacted element is the function rx_queue_add_kobject of the file net/core/net-sysfs.c. The manipulation as part of Object leads to an unknown weakness. This vulnerability is uniquely identified as CVE-2019-20811. Local access is required to approach this attack. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 5.0.5 (Operating System). It has been rated as problematic. This issue affects the function rx_queue_add_kobject of the file net/core/net-sysfs.c. The manipulation as part of a Object leads to a unknown weakness. Impacted is integrity. The summary by CVE is:

An issue was discovered in the Linux kernel before 5.0.6. In rx_queue_add_kobject() and netdev_queue_add_kobject() in net/core/net-sysfs.c, a reference count is mishandled, aka CID-a3e23f719f5c.

The weakness was disclosed 06/03/2020. The identification of this vulnerability is CVE-2019-20811 since 06/03/2020. The exploitation is known to be easy. Attacking locally is a requirement. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 222859 (Linux Distros Unpatched Vulnerability : CVE-2019-20811), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 5.0.6 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (222859). The entries VDB-155986 and VDB-155988 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Unknown
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 222859
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2019-20811

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 5.0.6

Timelineinfo

06/03/2020 🔍
06/03/2020 +0 days 🔍
06/03/2020 +0 days 🔍
03/05/2025 +1736 days 🔍

Sourcesinfo

Vendor: kernel.org

Status: Confirmed

CVE: CVE-2019-20811 (🔍)
GCVE (CVE): GCVE-0-2019-20811
GCVE (VulDB): GCVE-100-155987
See also: 🔍

Entryinfo

Created: 06/03/2020 15:31
Updated: 03/05/2025 08:23
Changes: 06/03/2020 15:31 (40), 06/03/2020 15:36 (17), 03/05/2025 08:23 (20)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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