Linux Kernel net/wireless/nl80211.c nl80211_get_ftm_responder_stats resource consumption ⚔ [Disputed]

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel. It has been declared as problematic. Affected by this issue is the function nl80211_get_ftm_responder_stats of the file net/wireless/nl80211.c. The manipulation results in resource consumption. This vulnerability is reported as CVE-2019-19055. The attack can be launched remotely. No exploit exists. The real existence of this vulnerability is still doubted at the moment.

Detailsinfo

A vulnerability classified as problematic has been found in Linux Kernel (Operating System) (version now known). Affected is the function nl80211_get_ftm_responder_stats of the file net/wireless/nl80211.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 memory leak in the nl80211_get_ftm_responder_stats() function in net/wireless/nl80211.c in the Linux kernel through 5.3.11 allows attackers to cause a denial of service (memory consumption) by triggering nl80211hdr_put() failures, aka CID-1399c59fa929.

The weakness was disclosed 11/18/2019. This vulnerability is traded as CVE-2019-19055 since 11/18/2019. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1499.

The real existence of this vulnerability is still doubted at the moment. The vulnerability scanner Nessus provides a plugin with the ID 247462 (Linux Distros Unpatched Vulnerability : CVE-2019-19055), which helps to determine the existence of the flaw in a target environment.

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 vulnerability database at Tenable (247462). The entries VDB-145876, VDB-145875, VDB-145874 and VDB-145873 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

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: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 247462
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2019-19055

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

11/18/2019 🔍
11/18/2019 +0 days 🔍
11/18/2019 +0 days 🔍
08/10/2025 +2092 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: 1399c59fa92984836db90538cf92397fe7caaa57
Status: Confirmed
Disputed: 🔍

CVE: CVE-2019-19055 (🔍)
GCVE (CVE): GCVE-0-2019-19055
GCVE (VulDB): GCVE-100-145872
See also: 🔍

Entryinfo

Created: 11/18/2019 17:40
Updated: 08/10/2025 21:28
Changes: 11/18/2019 17:40 (37), 11/18/2019 17:45 (18), 02/23/2024 09:10 (5), 02/23/2024 09:11 (1), 08/05/2024 05:13 (25), 08/10/2025 21:28 (7)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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