Linux Kernel up to 5.2.8 Endpoint Descriptor usb.c null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Linux Kernel up to 5.2.8. This issue affects some unknown processing of the file drivers/net/wireless/ath/ath10k/usb.c of the component Endpoint Descriptor Handler. The manipulation results in null pointer dereference. This vulnerability is reported as CVE-2019-15099. The attack can be launched remotely. No exploit exists. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Linux Kernel up to 5.2.8 (Operating System). Affected is an unknown functionality of the file drivers/net/wireless/ath/ath10k/usb.c of the component Endpoint Descriptor Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability. CVE summarizes:

drivers/net/wireless/ath/ath10k/usb.c in the Linux kernel through 5.2.8 has a NULL pointer dereference via an incomplete address in an endpoint descriptor.

The weakness was disclosed 08/16/2019 (Website). The advisory is shared for download at lists.opensuse.org. This vulnerability is traded as CVE-2019-15099 since 08/15/2019. 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 current price for an exploit might be approx. USD $0-$5k (estimation calculated on 10/15/2024).

The vulnerability scanner Nessus provides a plugin with the ID 208557 (CentOS 7 : kernel-alt (RHSA-2020:1493)), 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 (208557). The entries VDB-138837, VDB-138838, VDB-138839 and VDB-138853 are pretty similar. 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: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
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: Null pointer dereference
CWE: CWE-476 / 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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Nessus ID: 208557
Nessus Name: CentOS 7 : kernel-alt (RHSA-2020:1493)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/15/2019 🔍
08/16/2019 +1 days 🔍
08/16/2019 +0 days 🔍
10/15/2024 +1887 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: USN-4258-1
Status: Not defined
Confirmation: 🔍

CVE: CVE-2019-15099 (🔍)
GCVE (CVE): GCVE-0-2019-15099
GCVE (VulDB): GCVE-100-140232
See also: 🔍

Entryinfo

Created: 08/16/2019 02:32 PM
Updated: 10/15/2024 07:08 PM
Changes: 08/16/2019 02:32 PM (57), 07/29/2020 05:42 PM (2), 11/26/2023 09:09 AM (3), 10/15/2024 07:08 PM (16)
Complete: 🔍
Cache ID: 244:912:40

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