CVE-2011-2693

CVE-2011-2693 describes a denial-of-service vulnerability in the perf subsystem of the Linux kernel, specifically affecting Red Hat Enterprise Linux 6 (kernel package 2.6.32-122.el6.x86_64). This flaw allows local users to trigger excessive log messages through improper handling of Non-Maskable Interrupts (NMIs). With a CVSS score of 1.9 (AV:L/AC:M/Au:N/C:N/I:N/A:P), this vulnerability is considered low severity, requiring local access and medium attack complexity to achieve a partial denial of service. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.