Linux Kernel up to 6.12.12/6.13.1 btrtl_setup_realtek null pointer dereference

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.5 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Linux Kernel up to 6.12.12/6.13.1. It has been classified as critical. The impacted element is the function btrtl_setup_realtek. This manipulation causes null pointer dereference.
The identification of this vulnerability is CVE-2024-57987. There is no exploit available.
Upgrading the affected component is recommended.
Details
A vulnerability was found in Linux Kernel up to 6.12.12/6.13.1. It has been declared as critical. Affected by this vulnerability is the function btrtl_setup_realtek. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect availability. The summary by CVE is:
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btrtl: check for NULL in btrtl_setup_realtek() If insert an USB dongle which chip is not maintained in ic_id_table, it will hit the NULL point accessed. Add a null point check to avoid the Kernel Oops.
It is possible to read the advisory at git.kernel.org. This vulnerability is known as CVE-2024-57987 since 02/27/2025. Technical details of the vulnerability are known, but there is no available exploit.
The vulnerability scanner Nessus provides a plugin with the ID 236983 (Ubuntu 24.04 LTS / 24.10 : Linux kernel vulnerabilities (USN-7521-1)), which helps to determine the existence of the flaw in a target environment.
Upgrading to version 6.12.13, 6.13.2 or 6.14-rc1 eliminates this vulnerability. Applying the patch 1158ad8e8abb361d4b2aaa010c9af74de20ab82b/3c15082f3567032d196e8760753373332508c2ca 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 (236983) and CERT Bund (WID-SEC-2025-0453). Be aware that VulDB is the high quality source for vulnerability data.
Affected
- Google Container-Optimized OS
- Debian Linux
- Amazon Linux 2
- Red Hat Enterprise Linux
- Ubuntu Linux
- SUSE Linux
- Oracle Linux
- Siemens SIMATIC S7
- RESF Rocky Linux
- Dell NetWorker
- Dell Avamar
- Red Hat OpenShift
- IBM QRadar SIEM
- SolarWinds Security Event Manager
- Dell PowerProtect Data Domain
- Open Source Linux Kernel
- IBM DataPower Gateway
- Dell Secure Connect Gateway
- Dell PowerScale OneFS
- Dell ECS
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: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 236983
Nessus Name: Ubuntu 24.04 LTS / 24.10 : Linux kernel vulnerabilities (USN-7521-1)
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Kernel 6.12.13/6.13.2/6.14-rc1
Patch: 1158ad8e8abb361d4b2aaa010c9af74de20ab82b/3c15082f3567032d196e8760753373332508c2ca
Timeline
02/27/2025 🔍02/27/2025 🔍
02/27/2025 🔍
05/24/2026 🔍
Sources
Vendor: kernel.orgAdvisory: git.kernel.org
Status: Confirmed
CVE: CVE-2024-57987 (🔍)
GCVE (CVE): GCVE-0-2024-57987
GCVE (VulDB): GCVE-100-297799
CERT Bund: WID-SEC-2025-0453 - Linux Kernel: Mehrere Schwachstellen
Entry
Created: 02/27/2025 09:22Updated: 05/24/2026 20:28
Changes: 02/27/2025 09:22 (58), 05/21/2025 00:38 (2), 07/22/2025 04:51 (7), 09/29/2025 23:04 (1), 10/09/2025 21:57 (1), 10/25/2025 00:24 (1), 11/09/2025 19:32 (1), 01/17/2026 23:36 (1), 05/24/2026 20:28 (1)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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