Qemu emulator built with the VNC display driver is vulnerable to an infinite loop issue. It could occur while processing a CLIENT_CUT_TEXT message with specially crafted payload message. A privileged guest user could use this flaw to crash the Qemu process instance on the host, resulting in DoS. Upstream fix: ------------- -> git.qemu.org/?p=qemu.git;a=commit;h=f9a70e79391f6d7c2a912d785239ee8effc1922d
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 affect the Red Hat Enterprise Linux 7 based versions of the qemu-kvm-rhev packages as shipped with Red Hat Enterprise Virtualization 3.
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 1259504]
Acknowledgements: Red Hat would like to thank Lian Yihan of Qihoo 360 for reporting this issue.
Public via: http://seclists.org/oss-sec/2015/q3/478
xen-4.5.1-9.fc23 has been pushed to the Fedora 23 stable repository. If problems still persist, please make note of it in this bug report.
xen-4.5.1-9.fc22 has been pushed to the Fedora 22 stable repository. If problems still persist, please make note of it in this bug report.
xen-4.4.3-4.fc21 has been pushed to the Fedora 21 stable repository. If problems still persist, please make note of it in this bug report.