Vulnerability in Xen Allows Guest OS Users to Crash Host OS or Gain Privileges

CVE-2017-17563 · MEDIUM Severity

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

An issue was discovered in Xen through 4.9.x allowing guest OS users to cause a denial of service (host OS crash) or gain host OS privileges by leveraging an incorrect mask for reference-count overflow checking in shadow mode.

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