ID CVE-2016-7466
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.
References
Vulnerable Configurations
  • cpe:2.3:a:qemu:qemu:-:*:*:*:*:*:*:*
    cpe:2.3:a:qemu:qemu:-:*:*:*:*:*:*:*
CVSS
Base: 2.1 (as of 05-01-2018 - 02:31)
Impact:
Exploitability:
CWE CWE-399
CAPEC
Access
VectorComplexityAuthentication
LOCAL LOW NONE
Impact
ConfidentialityIntegrityAvailability
NONE NONE PARTIAL
cvss-vector via4 AV:L/AC:L/Au:N/C:N/I:N/A:P
redhat via4
advisories
  • rhsa
    id RHSA-2017:2392
  • rhsa
    id RHSA-2017:2408
refmap via4
bid 93029
confirm http://git.qemu.org/?p=qemu.git;a=commit;h=b53dd4495ced2432a0b652ea895e651d07336f7e
gentoo GLSA-201611-11
mlist
  • [oss-security] 20160920 CVE Request Qemu: usb: xhci memory leakage during device unplug
  • [oss-security] 20160920 Re: CVE Request Qemu: usb: xhci memory leakage during device unplug
  • [qemu-devel] 20160913 [PATCH v2] usb:xhci:fix memory leak in usb_xhci_exit
suse openSUSE-SU-2016:3237
Last major update 05-01-2018 - 02:31
Published 10-12-2016 - 00:59
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