Linux Kernel up to 5.2 net/qrtr/tun.c qrtr_tun_write_iter resource consumption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Linux Kernel up to 5.2. This vulnerability affects the function qrtr_tun_write_iter of the file net/qrtr/tun.c. The manipulation results in resource consumption. This vulnerability is identified as CVE-2019-19079. The attack can be executed remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 5.2 (Operating System). It has been classified as problematic. Affected is the function qrtr_tun_write_iter of the file net/qrtr/tun.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 qrtr_tun_write_iter() function in net/qrtr/tun.c in the Linux kernel before 5.3 allows attackers to cause a denial of service (memory consumption), aka CID-a21b7f0cff19.

The weakness was released 11/18/2019. This vulnerability is traded as CVE-2019-19079 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.

Upgrading to version 5.3 eliminates this vulnerability.

Entries connected to this vulnerability are available at VDB-145900, VDB-145899, VDB-145898 and VDB-145897. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

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

NVD Base Score: 7.5
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: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 5.3
Patch: github.com

Timelineinfo

11/18/2019 🔍
11/18/2019 +0 days 🔍
11/18/2019 +0 days 🔍
02/23/2024 +1558 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: a21b7f0cff1906a93a0130b74713b15a0b36481d
Status: Not defined

CVE: CVE-2019-19079 (🔍)
GCVE (CVE): GCVE-0-2019-19079
GCVE (VulDB): GCVE-100-145896
See also: 🔍

Entryinfo

Created: 11/18/2019 17:45
Updated: 02/23/2024 13:15
Changes: 11/18/2019 17:45 (40), 11/18/2019 17:50 (18), 02/23/2024 13:09 (6), 02/23/2024 13:15 (1)
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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