CVE-2012-6030

CVE-2012-6030 describes a denial-of-service vulnerability in the Transcendent Memory (TMEM) component of Xen versions 4.0, 4.1, and 4.2. Local guest OS users can exploit "broken locking checks" in an error path within the do_tmem_op function to crash the host system. This vulnerability has a CVSS score of 7.2, indicating high severity due to its local attack vector, low attack complexity, and complete impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.