Linux Kernel up to 5.19.14/6.0.0 mon_bin.c memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Linux Kernel up to 5.19.14/6.0.0. The impacted element is an unknown function of the file drivers/usb/mon/mon_bin.c. Such manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2022-43750. The attack can be launched remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Linux Kernel up to 5.19.14/6.0.0 (Operating System) and classified as critical. Affected by this issue is an unknown code block of the file drivers/usb/mon/mon_bin.c. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. CVE summarizes:

drivers/usb/mon/mon_bin.c in usbmon in the Linux kernel before 5.19.15 and 6.x before 6.0.1 allows a user-space client to corrupt the monitor's internal memory.

The weakness was disclosed 10/26/2022. The advisory is shared for download at cdn.kernel.org. This vulnerability is handled as CVE-2022-43750 since 10/26/2022. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 236648 (Alibaba Cloud Linux 3 : 0002: cloud-kernel bugfix, enhancement and (ALINUX3-SA-2023:0002)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 5.19.15 or 6.0.1 eliminates this vulnerability. The upgrade is hosted for download at cdn.kernel.org. Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at Tenable (236648). Once again VulDB remains the best source for vulnerability data.

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: 6.5
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.7
NVD Vector: 🔍

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: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 236648
Nessus Name: Alibaba Cloud Linux 3 : 0002: cloud-kernel bugfix, enhancement and (ALINUX3-SA-2023:0002)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 5.19.15/6.0.1
Patch: git.kernel.org

Timelineinfo

10/26/2022 🔍
10/26/2022 +0 days 🔍
10/26/2022 +0 days 🔍
05/18/2025 +935 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: a659daf63d16aa883be42f3f34ff84235c302198
Status: Confirmed

CVE: CVE-2022-43750 (🔍)
GCVE (CVE): GCVE-0-2022-43750
GCVE (VulDB): GCVE-100-212252

Entryinfo

Created: 10/26/2022 08:55
Updated: 05/18/2025 23:05
Changes: 10/26/2022 08:55 (43), 11/25/2022 09:38 (2), 11/25/2022 09:42 (12), 05/07/2025 16:44 (19), 05/18/2025 23:05 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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