ID:7496 - Exploit for Use-after-free in Linux kernel - CVE-2022-24122

 
Main Vulnerability Database Exploits ID:7496 - Exploit for Use-after-free in Linux kernel - CVE-2022-24122

ID:7496 - Exploit for Use-after-free in Linux kernel - CVE-2022-24122

Published: March 15, 2022


Vulnerability identifier: #VU60167
Vulnerability risk: Low
CVE-ID: CVE-2022-24122
CWE-ID: CWE-416
Exploitation vector: Local access
Vulnerable software:
Linux kernel

Link to public exploit:


Vulnerability description

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

The vulnerability exists due to a use-after-free error with in the kernel/ucount.c in Linux kernel, when unprivileged user namespaces are enabled. A local user can trigger a use-after-free error, because a ucounts object can outlive its namespace, and execute arbitrary ode with elevated privileges.


Remediation

Install updates from vendor's website.