Linux Kernel prior 4.3/6.11-rc5 Bluetooth pair_device 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. It has been rated as critical. The affected element is the function pair_device of the component Bluetooth. The manipulation leads to null pointer dereference.
This vulnerability is referenced as CVE-2024-43884. No exploit is available.
Upgrading the affected component is advised.
Details
A vulnerability was found in Linux Kernel and classified as critical. This issue affects the function pair_device of the component Bluetooth. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability. The summary by CVE is:
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: MGMT: Add error handling to pair_device() hci_conn_params_add() never checks for a NULL value and could lead to a NULL pointer dereference causing a crash. Fixed by adding error handling in the function.
The advisory is shared at git.kernel.org. The identification of this vulnerability is CVE-2024-43884 since 08/17/2024. Technical details are known, but no exploit is available.
The vulnerability scanner Nessus provides a plugin with the ID 207884 (openSUSE 15 Security Update : kernel (SUSE-SU-2024:3483-1)), which helps to determine the existence of the flaw in a target environment.
Upgrading to version 4.3 or 6.11-rc5 eliminates this vulnerability. Applying the patch 538fd3921afa 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 (207884). If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Type
Vendor
Name
License
Website
- Vendor: https://www.kernel.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.6VulDB Meta Temp Score: 5.5
VulDB Base Score: 5.7
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.5
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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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: Partially
Local: Yes
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: 207884
Nessus Name: openSUSE 15 Security Update : kernel (SUSE-SU-2024:3483-1)
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Kernel 4.3/6.11-rc5
Patch: 538fd3921afa
Timeline
08/17/2024 🔍08/26/2024 🔍
08/26/2024 🔍
09/28/2024 🔍
Sources
Vendor: kernel.orgAdvisory: git.kernel.org
Status: Confirmed
CVE: CVE-2024-43884 (🔍)
GCVE (CVE): GCVE-0-2024-43884
GCVE (VulDB): GCVE-100-275765
Entry
Created: 08/26/2024 09:36Updated: 09/28/2024 14:04
Changes: 08/26/2024 09:36 (58), 08/27/2024 13:49 (1), 08/28/2024 03:52 (10), 09/28/2024 14:04 (2)
Complete: 🔍
Cache ID: 216::103
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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