๐Ÿ” CVE Alert

CVE-2021-34981

HIGH 7.5

Linux Kernel Bluetooth CMTP Module Double Free Privilege Escalation Vulnerability

CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-415
Vendor linux
Product kernel
Ecosystems
Industries
Technology
Published May 7, 2024
Last Updated Aug 4, 2024
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CVSS v3 Breakdown

CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

Affected Versions

Linux / Kernel
4.15.0-118-generic

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
zerodayinitiative.com: https://www.zerodayinitiative.com/advisories/ZDI-21-1223/