Linux Kernel up to 6.11.10/6.12.1 cw1200 null pointer dereference

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.5 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as critical, has been found in Linux Kernel up to 6.11.10/6.12.1. This vulnerability affects unknown code of the component cw1200. Performing a manipulation results in null pointer dereference. This vulnerability is cataloged as CVE-2024-56536. There is no exploit available. It is advisable to upgrade the affected component.
Details
A vulnerability, which was classified as critical, was found in Linux Kernel up to 6.11.10/6.12.1. This affects an unknown functionality of the component cw1200. 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. The summary by CVE is:
In the Linux kernel, the following vulnerability has been resolved: wifi: cw1200: Fix potential NULL dereference A recent refactoring was identified by static analysis to cause a potential NULL dereference, fix this!
It is possible to read the advisory at git.kernel.org. This vulnerability is uniquely identified as CVE-2024-56536 since 12/27/2024. The technical details are unknown and an exploit is not publicly available.
The vulnerability scanner Nessus provides a plugin with the ID 216493 (Ubuntu 24.10 : Linux kernel vulnerabilities (USN-7276-1)), which helps to determine the existence of the flaw in a target environment.
Upgrading to version 6.11.11 or 6.12.2 eliminates this vulnerability. Applying the patch 0ec90ac5f7bd9dd573bd5d964cbdc3beaa93a33e/67c914f2d64b28409796a6b9036c131e93f8af6c/2b94751626a6d49bbe42a19cc1503bd391016bd5 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 databases at Tenable (216493) and CERT Bund (WID-SEC-2024-3762). Be aware that VulDB is the high quality source for vulnerability data.
Affected
- Debian Linux
- Amazon Linux 2
- Red Hat Enterprise Linux
- Ubuntu Linux
- SUSE Linux
- Oracle Linux
- RESF Rocky Linux
- Dell NetWorker
- Dell Avamar
- Red Hat OpenShift
- IBM QRadar SIEM
- Dell PowerProtect Data Domain
- Open Source Linux Kernel
- IBM DataPower Gateway
- Dell Secure Connect Gateway
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.kernel.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.7VulDB Meta Temp Score: 5.5
VulDB Base Score: 5.7
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
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: 216493
Nessus Name: Ubuntu 24.10 : Linux kernel vulnerabilities (USN-7276-1)
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Kernel 6.11.11/6.12.2
Patch: 0ec90ac5f7bd9dd573bd5d964cbdc3beaa93a33e/67c914f2d64b28409796a6b9036c131e93f8af6c/2b94751626a6d49bbe42a19cc1503bd391016bd5
Timeline
12/27/2024 🔍12/27/2024 🔍
12/27/2024 🔍
12/15/2025 🔍
Sources
Vendor: kernel.orgAdvisory: git.kernel.org
Status: Confirmed
CVE: CVE-2024-56536 (🔍)
GCVE (CVE): GCVE-0-2024-56536
GCVE (VulDB): GCVE-100-289479
CERT Bund: WID-SEC-2024-3762 - Linux Kernel: Mehrere Schwachstellen ermöglichen Denial of Service
Entry
Created: 12/27/2024 15:43Updated: 12/15/2025 09:11
Changes: 12/27/2024 15:43 (58), 02/20/2025 18:01 (2), 07/24/2025 05:39 (7), 10/14/2025 06:20 (1), 12/15/2025 09:11 (1)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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