Mehrere Probleme in Xen
ID: | FEDORA-2018-c553a586c8 |
Distribution: | Fedora |
Plattformen: | Fedora 27 |
Datum: | Mi, 7. März 2018, 11:15 |
Referenzen: | http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7540
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7542 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7541 |
Applikationen: | Xen |
Originalnachricht |
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-------------------------------------------------------------------------------- Fedora Update Notification FEDORA-2018-c553a586c8 2018-03-06 17:17:51.858344 -------------------------------------------------------------------------------- Name : xen Product : Fedora 27 Version : 4.9.1 Release : 5.fc27 URL : http://xen.org/ Summary : Xen is a virtual machine monitor Description : This package contains the XenD daemon and xm command line tools, needed to manage virtual machines running under the Xen hypervisor -------------------------------------------------------------------------------- Update Information: add Xen page-table isolation (XPTI) mitigation and Branch Target Injection (BTI) mitigation for XSA-254 DoS via non-preemptable L3/L4 pagetable freeing [XSA-252] (#1549568) grant table v2 -> v1 transition may crash Xen [XSA-255] (#1549570) x86 PVH guest without LAPIC may DoS the host [XSA-256] (#1549572) -------------------------------------------------------------------------------- References: [ 1 ] Bug #1544456 - CVE-2018-7540 xsa252 xen: DoS via non-preemptable L3/L4 pagetable freeing (XSA-252) https://bugzilla.redhat.com/show_bug.cgi?id=1544456 [ 2 ] Bug #1544459 - CVE-2018-7541 xsa255 xen: grant table v2 -> v1 transition may crash Xen (XSA-255) https://bugzilla.redhat.com/show_bug.cgi?id=1544459 [ 3 ] Bug #1544453 - CVE-2018-7542 xsa256 xen: x86 PVH guest without LAPIC may DoS the host (XSA-256) https://bugzilla.redhat.com/show_bug.cgi?id=1544453 -------------------------------------------------------------------------------- This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade xen' at the command line. For more information, refer to the dnf documentation available at http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label All packages are signed with the Fedora Project GPG key. More details on the GPG keys used by the Fedora Project can be found at https://fedoraproject.org/keys -------------------------------------------------------------------------------- _______________________________________________ package-announce mailing list -- package-announce@lists.fedoraproject.org To unsubscribe send an email to package-announce-leave@lists.fedoraproject.org |