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CVE-2021-34981 Detail

Description

Linux Kernel Bluetooth CMTP Module Double Free Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Linux Kernel. An attacker must first obtain the ability to execute high-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the CMTP module. The issue results from the lack of validating the existence of an object prior to performing further free operations on the object. An attacker can leverage this vulnerability to escalate privileges and execute code in the context of the kernel. Was ZDI-CAN-11977.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://www.zerodayinitiative.com/advisories/ZDI-21-1223/
https://www.zerodayinitiative.com/advisories/ZDI-21-1223/

Weakness Enumeration

CWE-ID CWE Name Source
CWE-415 Double Free Zero Day Initiative  

Change History

3 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-34981
NVD Published Date:
05/07/2024
NVD Last Modified:
11/21/2024
Source:
Zero Day Initiative