Linux Kernel up to 5.10.4 SSID join.c mwifiex_cmd_802_11_ad_hoc_start memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.4$5k-$25k0.00

Summaryinfo

A vulnerability classified as very critical has been found in Linux Kernel up to 5.10.4. Impacted is the function mwifiex_cmd_802_11_ad_hoc_start of the file drivers/net/wireless/marvell/mwifiex/join.c of the component SSID Handler. Performing a manipulation results in memory corruption. This vulnerability is identified as CVE-2020-36158. The attack can only be performed from the local network. There is not any exploit available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in Linux Kernel up to 5.10.4 (Operating System). It has been classified as very critical. This affects the function mwifiex_cmd_802_11_ad_hoc_start of the file drivers/net/wireless/marvell/mwifiex/join.c of the component SSID Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 01/05/2021. It is possible to read the advisory at git.kernel.org. This vulnerability is uniquely identified as CVE-2020-36158. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 06/20/2025).

We expect the 0-day to have been worth approximately $100k and more. The vulnerability scanner Nessus provides a plugin with the ID 239841 (TencentOS Server 4: kernel (TSSA-2024:0960)), which helps to determine the existence of the flaw in a target environment.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org.

The vulnerability is also documented in the vulnerability database at Tenable (239841). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Version

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.4

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 239841
Nessus Name: TencentOS Server 4: kernel (TSSA-2024:0960)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: git.kernel.org

Timelineinfo

01/05/2021 🔍
01/05/2021 +0 days 🔍
06/20/2025 +1627 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2020-36158 (🔍)
GCVE (CVE): GCVE-0-2020-36158
GCVE (VulDB): GCVE-100-167271

Entryinfo

Created: 01/05/2021 09:25
Updated: 06/20/2025 02:40
Changes: 01/05/2021 09:25 (35), 01/05/2021 09:26 (11), 06/20/2025 02:40 (16)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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