VulnerabilityModified
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…
MEDIUM 6.0EPSS 0.42%
Does this matter?
Lower severity and a low EPSS score (0.42%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 3.1
- 6.0 MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
- EPSS
- 0.42% probability · 36th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-772
- Affected
- qemu/qemu · opensuse/leap · redhat/openstack · redhat/virtualization
- Source
- secalert@redhat.com
References
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=b53dd4495ced2432a0b652ea895e651d07336f7e
- http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.htmlMailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/09/19/8Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/09/20/3Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/93029Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:2392Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2408Third Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg02773.htmlPatch, Third Party Advisory
- https://security.gentoo.org/glsa/201611-11Third Party Advisory
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=b53dd4495ced2432a0b652ea895e651d07336f7e
- http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.htmlMailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/09/19/8Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/09/20/3Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/93029Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:2392Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2408Third Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg02773.htmlPatch, Third Party Advisory
- https://security.gentoo.org/glsa/201611-11Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.