-------------------------------------------------------------------------------- Fedora Update Notification FEDORA-2022-0cc3916e08 2022-02-19 01:09:25.495006 --------------------------------------------------------------------------------
Name : xen Product : Fedora 34 Version : 4.14.4 Release : 1.fc34 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:
update to xen-4.14.4 ---- frontends vulnerable to backends [XSA-376] (document change only) arm: guest_physmap_remove_page not removing the p2m mappings [XSA-393, CVE-2022-23033] (#2045044) A PV guest could DoS Xen while unmapping a grant [XSA-394, CVE-2022-23034] (#2045042) Insufficient cleanup of passed- through device IRQs [XSA-395, CVE-2022-23035] (#2045040) -------------------------------------------------------------------------------- ChangeLog:
* Thu Feb 3 2022 Michael Young m.a.young@durham.ac.uk - 4.14.4-1 - update to xen-4.14.4 remove or adjust patches now included or superceded upstream * Tue Jan 25 2022 Michael Young m.a.young@durham.ac.uk - 4.14.3-4 - frontends vulnerable to backends [XSA-376] (document change only) - arm: guest_physmap_remove_page not removing the p2m mappings [XSA-393, CVE-2022-23033] (#2045044) - A PV guest could DoS Xen while unmapping a grant [XSA-394, CVE-2022-23034] (#2045042) - Insufficient cleanup of passed-through device IRQs [XSA-395, CVE-2022-23035] (#2045040) -------------------------------------------------------------------------------- References:
[ 1 ] Bug #2045039 - CVE-2022-23035 xen: Insufficient cleanup of passed-through device IRQs (XSA-395) https://bugzilla.redhat.com/show_bug.cgi?id=2045039 [ 2 ] Bug #2045041 - CVE-2022-23034 xen: A PV guest could DoS Xen while unmapping a grant (XSA-394) https://bugzilla.redhat.com/show_bug.cgi?id=2045041 [ 3 ] Bug #2045043 - CVE-2022-23033 xen: arm: guest_physmap_remove_page not removing the p2m mappings (XSA-393) https://bugzilla.redhat.com/show_bug.cgi?id=2045043 --------------------------------------------------------------------------------
This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2022-0cc3916e08' 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
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