Main
Vulnerability Database
Exploits
ID:12744 - Exploit for Improper access control in Linux kernel - CVE-2026-46333
ID:12744 - Exploit for Improper access control in Linux kernel - CVE-2026-46333
Published: May 22, 2026
Vulnerability identifier: #VU131583
Vulnerability risk: Low
CVE-ID: CVE-2026-46333
CWE-ID: CWE-284
Exploitation vector: Local access
Vulnerable software:
Linux kernel
Linux kernel
Link to public exploit:
Vulnerability description
The vulnerability allows a local privileged user to disclose sensitive information.
The vulnerability exists due to improper access control in ptrace_may_access() when checking dumpability for tasks without an associated mm pointer. A local privileged user can inspect kernel thread details to disclose sensitive information.
The issue affects cases involving threads that no longer have a VM or never had one, such as kernel threads.
Remediation
Install security update from vendor's repository.