CVE-2011-1477

CVE-2011-1477 is a denial-of-service and potential privilege escalation vulnerability affecting the Linux kernel before version 2.6.39, specifically within the sound/oss/opl3.c component. It allows local users with write access to /dev/sequencer to corrupt heap memory due to multiple array index errors. With a CVSS score of 7.2, this vulnerability is considered high severity, requiring local access with low attack complexity, and potentially leading to complete confidentiality, integrity, and availability compromise. There is no evidence of active exploitation, public exploit code, or significant community discussion, indicating a low current threat profile.