CVE-2006-4813

CVE-2006-4813 describes a local information disclosure vulnerability in the Linux kernel versions 2.6.x prior to 2.6.13. Specifically, the __block_prepare_write function in fs/buffer.c failed to properly clear buffers under certain error conditions, allowing local users to read portions of unlinked files. With a CVSS score of 2.1, this vulnerability has low severity, requiring local access for exploitation and resulting in a partial confidentiality impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage, indicating a low current threat level.