Quick Emulator(Qemu) built with the 'chardev' backend support is vulnerable
to a use after free issue. It could occur while repeatedly hot-plugging and
unplugging 'chardev' device in the guest.
A guest user/process could use this flaw to crash a Qemu process on the host
resulting in DoS.
Created qemu tracking bugs for this issue:
Affects: fedora-all [bug 1402968]
Created xen tracking bugs for this issue:
Affects: fedora-all [bug 1402972]
Name: Li Qiang (360.cn Inc.)