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Alerts This Week
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Fedora 22: 2015-15944 Critical: Xen Protocol Memory Issue

fedora
Calendar Grey September 27, 2015
Scroller Fedora
Essential security patch for Xen in Fedora 22 resolving various memory vulnerabilities and protocol defects.
libxl fails to honour readonly flag on disks with qemu-xen [XSA-142 (possible fix)] ---- Use after free in QEMU/Xen block unplug protocol [XSA-139, CVE-2015-5166] QEMU leak of unin...

Summary

This package contains the XenD daemon and xm command line

tools, needed to manage virtual machines running under the

Xen hypervisor

Update Information:

libxl fails to honour readonly flag on disks with qemu-xen [XSA-142 (possible fix)] ---- Use after free in QEMU/Xen block unplug protocol [XSA-139, CVE-2015-5166] QEMU leak of uninitialized heap memory in rtl8139 device model [XSA-140, CVE-2015-5165]

Topics%20covered

Topics Covered

security advisory fedora critical memory issue xen protocol

Change Log

References


[ 1 ] Bug #1248997 - CVE-2015-5166 Qemu: BlockBackend object use after free issue (XSA-139) https://bugzilla.redhat.com/show_bug.cgi?id=1248997 [ 2 ] Bug #1248760 - CVE-2015-5165 Qemu: rtl8139 uninitialized heap memory information leakage to guest (XSA-140) https://bugzilla.redhat.com/show_bug.cgi?id=1248760

Update Instructions

This update can be installed with the "yum" update program. Use su -c 'yum update xen' at the command line. For more information, refer to "Managing Software with yum", available at .

Severity
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Name: xen
Product: Fedora 22
Version: 4.5.1
Release: 8.fc22
URL: https://xenproject.org/
Summary: Xen is a virtual machine monitor

Topics%20covered

Topics Covered

security advisory fedora critical memory issue xen protocol

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