6.0med

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…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
6.0
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
0.4%
percentile 37%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

0.42% probability of exploitation in the next 30 days, higher than 37% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.16.0CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
NVD2.01.9AV:L/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-772 Missing Release of Resource after Effective Lifetime

References

  • openwall.com /lists/oss-security/2016/09/19/8 · mailing-list, x_refsource_MLIST, x_transferred
  • openwall.com /lists/oss-security/2016/09/20/3 · mailing-list, x_refsource_MLIST, x_transferred
  • security.gentoo.org /glsa/201611-11 · vendor-advisory, x_refsource_GENTOO, x_transferred
  • securityfocus.com /bid/93029 · vdb-entry, x_refsource_BID, x_transferred
  • access.redhat.com /errata/RHSA-2017:2392 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • lists.opensuse.org /opensuse-updates/2016-12/msg00140.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • git.qemu.org /?p=qemu.git%3Ba=commit%3Bh=b53dd4495ced2432a0b652ea895e651d07336f7e · x_refsource_CONFIRM, x_transferred
  • lists.gnu.org /archive/html/qemu-devel/2016-09/msg02773.html · mailing-list, x_refsource_MLIST, x_transferred
  • access.redhat.com /errata/RHSA-2017:2408 · vendor-advisory, x_refsource_REDHAT, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.