Double-Free Vulnerability in C Xenstore Daemon

CVE-2017-14317 · MEDIUM Severity

AV:L/AC:M/AU:N/C:N/I:N/A:C

A domain cleanup issue was discovered in the C xenstore daemon (aka cxenstored) in Xen through 4.9.x. When shutting down a VM with a stubdomain, a race in cxenstored may cause a double-free. The xenstored daemon may crash, resulting in a DoS of any parts of the system relying on it (including domain creation / destruction, ballooning, device changes, etc.).

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