Qemu emulator built with the RTL8139 emulation support is vulnerable to an information leakage flaw. It could occur while processing network packets under RTL8139 controller's C+ mode of operation. A guest user could use this flaw to read uninitialised Qemu heap memory upto 65K bytes. Upstream fix: ------------- -> http://git.qemu.org/?p=qemu.git;a=commit;h=2a3612ccc1fa9cea77bd193afbfe21c77e7e91ef Reference: ---------- -> http://www.openwall.com/lists/oss-security/2015/08/03/4
Statement: This issue affects the versions of kvm and xen packages as shipped with Red Hat Enterprise Linux 5. This issue affects the versions of the qemu-kvm packages as shipped with Red Hat Enterprise Linux 6 and 7. This issue affects the Red Hat Enterprise Linux 6 based versions of qemu-kvm-rhev packages as shipped with Red Hat Enterprise Virtualization 3. This issue affects the Red Hat Enterprise Linux 7 based versions of the qemu-kvm-rhev packages as shipped with Red Hat Enterprise Virtualization 3. Red Hat Enterprise Linux 5 is now in Production 3 Phase of the support and maintenance life cycle. This has been rated as having Moderate security impact and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/
Created xen tracking bugs for this issue: Affects: fedora-all [bug 1249756]
Created qemu tracking bugs for this issue: Affects: fedora-all [bug 1249755]
External References: http://xenbits.xen.org/xsa/advisory-140.html
Acknowledgement: Red Hat would like to thank the Xen project for reporting this issue. Upstream acknowledges Donghai Zhu of Alibaba as the original reporter.
qemu-2.3.1-1.fc22 has been pushed to the Fedora 22 stable repository. If problems still persist, please make note of it in this bug report.
qemu-2.4.0-1.fc23 has been pushed to the Fedora 23 stable repository. If problems still persist, please make note of it in this bug report.
This issue has been addressed in the following products: OpenStack 6 for RHEL 7 Via RHSA-2015:1674 https://rhn.redhat.com/errata/RHSA-2015-1674.html
This issue has been addressed in the following products: OpenStack 5 for RHEL 7 OpenStack 5 for RHEL 6 Via RHSA-2015:1683 https://rhn.redhat.com/errata/RHSA-2015-1683.html
xen-4.5.1-6.fc23 has been submitted as an update to Fedora 23. https://bodhi.fedoraproject.org/updates/FEDORA-2015-14361
xen-4.5.1-6.fc22 has been submitted as an update to Fedora 22. https://bodhi.fedoraproject.org/updates/FEDORA-2015-14362
xen-4.4.3-1.fc21 has been submitted as an update to Fedora 21. https://bodhi.fedoraproject.org/updates/FEDORA-2015-14363
qemu-2.1.3-9.fc21 has been pushed to the Fedora 21 stable repository. If problems still persist, please make note of it in this bug report.
xen-4.5.1-6.fc23 has been pushed to the Fedora 23 stable repository. If problems still persist, please make note of it in this bug report.
This issue has been addressed in the following products: OpenStack 7 For RHEL 7 Via RHSA-2015:1718 https://access.redhat.com/errata/RHSA-2015:1718
This issue has been addressed in the following products: RHEV-H and Agents for RHEL-6 Via RHSA-2015:1740 https://rhn.redhat.com/errata/RHSA-2015-1740.html
This issue has been addressed in the following products: RHEV-H and Agents for RHEL-7 Via RHSA-2015:1739 https://rhn.redhat.com/errata/RHSA-2015-1739.html
This issue has been addressed in the following products: Red Hat Enterprise Linux 7 Via RHSA-2015:1793 https://rhn.redhat.com/errata/RHSA-2015-1793.html
This issue has been addressed in the following products: Red Hat Enterprise Linux 6 Via RHSA-2015:1833 https://rhn.redhat.com/errata/RHSA-2015-1833.html
xen-4.4.3-3.fc21 has been pushed to the Fedora 21 stable repository. If problems still persist, please make note of it in this bug report.
xen-4.5.1-8.fc22 has been pushed to the Fedora 22 stable repository. If problems still persist, please make note of it in this bug report.