CVE-2016-7466

Memory leak in the usb_xhci_exit function in hw/usb/hcd-xhci.c in QEMU (aka Quick Emulator), when the xhci uses msix, allows local guest OS administrators to cause a denial of service (memory consumption and possibly QEMU process crash) by repeatedly unplugging a USB device.

Score

CVSS 3.1 6.0 Medium

Status

Modified - secalert@redhat.com

Published

2016-12-10

Last modified

2024-08-06

Weaknesses

CWE-772

Affected products

• Leap (Opensuse)
• Qemu (Qemu)
• Openstack (Redhat)
• Virtualization (Redhat)

References

• http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=b53dd4495ced2432a0b652ea895e651d07336f7e
• http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html
• http://www.openwall.com/lists/oss-security/2016/09/19/8
• http://www.openwall.com/lists/oss-security/2016/09/20/3
• http://www.securityfocus.com/bid/93029
• https://access.redhat.com/errata/RHSA-2017:2392
• https://access.redhat.com/errata/RHSA-2017:2408
• https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg02773.html
• https://security.gentoo.org/glsa/201611-11