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Exploits
ID:11759 - Exploit for Use-after-free in Linux kernel - CVE-2025-21756
ID:11759 - Exploit for Use-after-free in Linux kernel - CVE-2025-21756
Published: July 3, 2025
Vulnerability identifier: #VU104945
Vulnerability risk: Low
CVE-ID: CVE-2025-21756
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 within the EXPORT_SYMBOL_GPL() and __vsock_release() functions in net/vmw_vsock/af_vsock.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.