Linux Kernel BlueZ tools/mgmt-tester.c read_50_controller_cap_complete cap_len null pointer dereference

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.2$0-$5k0.00

A vulnerability classified as problematic has been found in Linux Kernel (Operating System) (version unknown). Affected is the function read_50_controller_cap_complete of the file tools/mgmt-tester.c of the component BlueZ. The manipulation of the argument cap_len 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 weakness was released 10/17/2022. The advisory is available at git.kernel.org. This vulnerability is traded as CVE-2022-3563. Technical details are known, but there is no available exploit.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org.

Productinfo

Type

Vendor

Name

License

  • open-source

CPE 2.3info

CPE 2.2info

CVSSv3info

VulDB Meta Base Score: 4.2
VulDB Meta Temp Score: 4.2

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 5.7
NVD Vector: 🔒

CNA Base Score: 3.5
CNA Vector (VulDB): 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
ATT&CK: Unknown

Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: git.kernel.org

Timelineinfo

10/17/2022 Advisory disclosed
10/17/2022 +0 days CVE reserved
10/17/2022 +0 days VulDB entry created
11/09/2022 +23 days VulDB last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2022-3563 (🔒)

Entryinfo

Created: 10/17/2022 07:43 PM
Updated: 11/09/2022 11:04 PM
Changes: 10/17/2022 07:43 PM (42), 11/09/2022 10:49 PM (2), 11/09/2022 11:04 PM (21)
Complete: 🔍

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