VDB-216203 · CVE-2022-47520 · Nessus 236642

Linux Kernel up to 6.0.10 WILC1000 Wireless Driver hif.c wilc_parse_join_bss_param out-of-bounds

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5.2	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Linux Kernel up to 6.0.10. This impacts the function wilc_parse_join_bss_param of the file drivers/net/wireless/microchip/wilc1000/hif.c of the component WILC1000 Wireless Driver. The manipulation leads to out-of-bounds. This vulnerability is listed as CVE-2022-47520. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.0.10 (Operating System) and classified as problematic. This issue affects the function wilc_parse_join_bss_param of the file drivers/net/wireless/microchip/wilc1000/hif.c of the component WILC1000 Wireless Driver. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality. The summary by CVE is:

An issue was discovered in the Linux kernel before 6.0.11. Missing offset validation in drivers/net/wireless/microchip/wilc1000/hif.c in the WILC1000 wireless driver can trigger an out-of-bounds read when parsing a Robust Security Network (RSN) information element from a Netlink packet.

The weakness was presented 12/18/2022. It is possible to read the advisory at lore.kernel.org. The identification of this vulnerability is CVE-2022-47520 since 12/18/2022. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 236642 (Alibaba Cloud Linux 3 : 0042: cloud-kernel bugfix, enhancement and (ALINUX3-SA-2023:0042)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 6.0.11 eliminates this vulnerability. Applying the patch cd21d99e595ec1d8721e1058dcdd4f1f7de1d793 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at Tenable (236642). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Operating System

Vendor

Linux

Name

Kernel

Version

License

open-source

Website

Vendor: https://www.kernel.org/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.1
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 236642
Nessus Name: Alibaba Cloud Linux 3 : 0042: cloud-kernel bugfix, enhancement and (ALINUX3-SA-2023:0042)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 6.0.11
Patch: cd21d99e595ec1d8721e1058dcdd4f1f7de1d793

Timelineinfo

12/18/2022 🔍
12/18/2022 +0 days 🔍
12/18/2022 +0 days 🔍
05/19/2025 +883 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: cd21d99e595ec1d8721e1058dcdd4f1f7de1d793
Status: Confirmed

CVE: CVE-2022-47520 (🔍)
GCVE (CVE): GCVE-0-2022-47520
GCVE (VulDB): GCVE-100-216203

Entryinfo

Created: 12/18/2022 15:34
Updated: 05/19/2025 12:20
Changes: 12/18/2022 15:34 (45), 01/15/2023 09:10 (1), 01/15/2023 09:12 (12), 04/18/2025 02:21 (16), 05/19/2025 12:20 (2)
Complete: 🔍
Cache ID: 216::103

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