#VU77325 Double Free in Linux kernel - CVE-2021-34981 

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Main Vulnerability Database Vulnerabilities #VU77325

#VU77325 Double Free in Linux kernel - CVE-2021-34981

Published: June 14, 2023


Vulnerability identifier: #VU77325
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-34981
CWE-ID: CWE-415
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Linux kernel
Software vendor:
Linux Foundation

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error within the CMTP module in Linux kernel. A local user can trigger a double free error and execute arbitrary code on the system.


Remediation

Install updates from vendor's website.

External links