CVE-2012-1179

CVE-2012-1179 describes a denial-of-service vulnerability in the Linux kernel versions prior to 3.3.1, specifically when KVM is in use. An authenticated guest OS user with administrative privileges could trigger a host OS crash through issues related to the pmd_none_or_clear_bad function and huge page faults. The vulnerability has a CVSS score of 5.2, indicating a medium severity. It requires adjacent network access (AV:A) and medium attack complexity (AC:M), with successful exploitation leading to a complete denial of service (A:C) for the host system. There is no evidence of active exploitation, nor is there publicly available exploit code in Metasploit, Nuclei, or ExploitDB. Community discussion and media coverage for this CVE are minimal, suggesting low public awareness and attention.