Linux Kernel Driver mm/memory.c use after free

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Linux Kernel. The impacted element is an unknown function of the file mm/memory.c of the component Driver Handler. The manipulation results in use after free. This vulnerability is known as CVE-2022-3523. It is possible to launch the attack remotely. No exploit is available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in Linux Kernel (Operating System) (unknown version). It has been classified as problematic. Affected is an unknown code block of the file mm/memory.c of the component Driver Handler. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on availability.

The weakness was published 10/16/2022. The advisory is shared for download at git.kernel.org. This vulnerability is traded as CVE-2022-3523. There are known technical details, but no exploit is available.

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.

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 databases at Tenable (236642) and CERT Bund (WID-SEC-2025-1293). Once again VulDB remains the best source for vulnerability data.

Affected

  • Ubuntu Linux
  • IBM DataPower Gateway

Productinfo

Type

Vendor

Name

License

Website

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

CNA Base Score: 5.3
CNA Vector (VulDB): 🔍

CVSSv2info

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

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
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: 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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: git.kernel.org

Timelineinfo

10/16/2022 🔍
10/16/2022 +0 days 🔍
10/16/2022 +0 days 🔍
12/04/2025 +1145 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2022-3523 (🔍)
GCVE (CVE): GCVE-0-2022-3523
GCVE (VulDB): GCVE-100-211020
CERT Bund: WID-SEC-2025-1293 - IBM DataPower Gateway: Mehrere Schwachstellen

Entryinfo

Created: 10/16/2022 10:21
Updated: 12/04/2025 15:34
Changes: 10/16/2022 10:21 (39), 11/09/2022 13:41 (2), 11/09/2022 13:46 (11), 05/19/2025 06:44 (16), 12/04/2025 15:34 (7)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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