-------------------------------------------------------------------------------- Fedora Update Notification FEDORA-2020-295ed0b1e0 2020-05-01 03:48:17.298406 --------------------------------------------------------------------------------
Name : xen Product : Fedora 31 Version : 4.12.2 Release : 3.fc31 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:
multiple xenoprof issues [XSA-313, CVE-2020-11740, CVE-2020-11741] (#1823912, #1823914) Missing memory barriers in read-write unlock paths [XSA-314, CVE-2020-11739] (#1823784) Bad error path in GNTTABOP_map_grant [XSA-316, CVE-2020-11743] (#1823926) Bad continuation handling in GNTTABOP_copy [XSA-318, CVE-2020-11742] (#1823943) -------------------------------------------------------------------------------- ChangeLog:
* Wed Apr 15 2020 Michael Young m.a.young@durham.ac.uk - 4.12.2-3 - multiple xenoprof issues [XSA-313, CVE-2020-11740, CVE-2020-11741] (#1823912, #1823914) - Missing memory barriers in read-write unlock paths [XSA-314, CVE-2020-11739] (#1823784) - Bad error path in GNTTABOP_map_grant [XSA-316, CVE-2020-11743] (#1823926) - Bad continuation handling in GNTTABOP_copy [XSA-318, CVE-2020-11742] (#1823943) -------------------------------------------------------------------------------- References:
[ 1 ] Bug #1823783 - CVE-2020-11739 xen: missing memory barriers in read-write unlock paths (XSA-314) https://bugzilla.redhat.com/show_bug.cgi?id=1823783 [ 2 ] Bug #1823911 - CVE-2020-11740 xen: xenoprof issue allows guest OS users without active profiling to obtain sensitive information about other guests (XSA-313) https://bugzilla.redhat.com/show_bug.cgi?id=1823911 [ 3 ] Bug #1823913 - CVE-2020-11741 xen: xenoprof issue allows guest OS users with active profiling to obtain sensitive information about other guests (XSA-313) https://bugzilla.redhat.com/show_bug.cgi?id=1823913 [ 4 ] Bug #1823925 - CVE-2020-11743 xen: bad error path in GNTTABOP_map_grant (XSA-316) https://bugzilla.redhat.com/show_bug.cgi?id=1823925 [ 5 ] Bug #1823942 - CVE-2020-11742 xen: bad continuation handling in GNTTABOP_copy (XSA-318) https://bugzilla.redhat.com/show_bug.cgi?id=1823942 --------------------------------------------------------------------------------
This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2020-295ed0b1e0' 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 --------------------------------------------------------------------------------