#VU72506 Use-after-free in Linux kernel - CVE-2023-0461

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Main Vulnerability Database Vulnerabilities #VU72506

#VU72506 Use-after-free in Linux kernel - CVE-2023-0461

Published: February 22, 2023


Vulnerability identifier: #VU72506
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-0461
CWE-ID: CWE-416
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 use-after-free error within the Upper Level Protocol (ULP) subsystem in Linux kernel caused by improper handling of sockets entering the LISTEN state in certain protocols. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.



Remediation

Install updates from vendor's website.

External links