Debian Security Advisory

DSA-4232-1 xen -- security update

Date Reported:
20 Jun 2018
Affected Packages:
Security database references:
In Mitre's CVE dictionary: CVE-2018-3665.
More information:

This update provides mitigations for the lazy FPU vulnerability affecting a range of Intel CPUs, which could result in leaking CPU register states belonging to another vCPU previously scheduled on the same CPU. For additional information please refer to

For the stable distribution (stretch), this problem has been fixed in version 4.8.3+xsa267+shim4.10.1+xsa267-1+deb9u8.

We recommend that you upgrade your xen packages.

For the detailed security status of xen please refer to its security tracker page at: