CVE-2011-2211

CVE-2011-2211 describes a privilege escalation vulnerability in the Linux kernel, specifically affecting the Alpha platform before version 2.6.39.4. The osf_wait4 function incorrectly uses a pointer, allowing local users to gain elevated privileges by writing a specific integer value to kernel memory. This vulnerability has a CVSS score of 7.2, indicating high severity with local access, low attack complexity, and complete impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.