CVE-2012-4537

CVE-2012-4537 describes a denial-of-service vulnerability in Xen versions 3.4 through 4.2, where a failure to synchronize p2m and m2p tables can be triggered by a local HVM guest OS administrator, leading to memory consumption and an assertion failure. The vulnerability has a low severity CVSS score of 2.1, indicating a local attack vector with low complexity and a potential impact of partial availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage surrounding this CVE.