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CVE-2018-15470

Published: 2018-08-17T18:29Z
Last Modified: 2024-11-21T03:50Z
Source: MITRE CVE List
License: MITRE-CVE-TOS
An issue was discovered in Xen through 4.11.x. The logic in oxenstored for handling writes depended on the order of evaluation of expressions making up a tuple. As indicated in section 7.7.3 "Operations on data structures" of the OCaml manual, the order of evaluation of subexpressions is not specified. In practice, different implementations behave differently. Thus, oxenstored may not enforce the configured quota-maxentity. This allows a malicious or buggy guest to write as many xenstore entries as it wishes, causing unbounded memory usage in oxenstored. This can lead to a system-wide DoS. > MITRE Terms of Use apply – see LICENSE‑MITRE.txt