Provide references for CVE-2019-7221.
Where can I find more information about CVE-2019-7221?
References are available at: http://packetstormsecurity.com/files/151713/KVM-VMX-Preemption-Timer-Use-After-Free.html, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KDOXCX3QFVWYXH5CQMGDDE7H6MUG5XGG/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y2HMABEMJDPA6LPCBE5WIEZXUKY7DLTN/, https://github.com/torvalds/linux/commits/master/arch/x86/kvm, http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00042.html, http://www.openwall.com/lists/oss-security/2019/02/18/2, https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ecec76885bcfe3294685dc363fd1273df0d5d65f, https://bugs.chromium.org/p/project-zero/issues/detail?id=1760, https://lists.debian.org/debian-lts-announce/2019/03/msg00034.html, https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html, https://usn.ubuntu.com/3932-1/, https://usn.ubuntu.com/3932-2/, https://usn.ubuntu.com/3930-1/, https://usn.ubuntu.com/3931-1/, https://usn.ubuntu.com/3931-2/, https://usn.ubuntu.com/3930-2/, https://security.netapp.com/advisory/ntap-20190404-0002/, https://access.redhat.com/errata/RHSA-2019:0833, https://access.redhat.com/errata/RHSA-2019:0818, https://lists.debian.org/debian-lts-announce/2019/05/msg00002.html, https://access.redhat.com/errata/RHBA-2019:0959, https://support.f5.com/csp/article/K08413011, https://access.redhat.com/errata/RHSA-2019:3967, https://access.redhat.com/errata/RHSA-2019:4058.