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Vulnerability Database
Exploits
ID:11039 - Exploit for Use-after-free in Linux kernel - CVE-2023-4147
ID:11039 - Exploit for Use-after-free in Linux kernel - CVE-2023-4147
Published: January 3, 2025
Vulnerability identifier: #VU79713
Vulnerability risk: Low
CVE-ID: CVE-2023-4147
CWE-ID: CWE-416
Exploitation vector: Local access
Vulnerable software:
Linux kernel
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 in Netfilter functionality when adding a rule with NFTA_RULE_CHAIN_ID. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.
Remediation
Install updates from vendor's website.