Vulnerability in Qemu
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…
EPSS: 0.001 (26.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H.
Affected products
- Qemu
- Opensuse Leap — versions 42.2
- Redhat Enterprise_linux — versions 7.0
- Redhat Openstack — versions 6.0, 7.0, 8
- Redhat Virtualization — versions 4.0
- N/a — versions n/a
Weakness classification (CWE)
References
- [oss-security] 20160920 CVE Request Qemu: usb: xhci memory leakage during device unplug (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- [oss-security] 20160920 Re: CVE Request Qemu: usb: xhci memory leakage during device unplug (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- GLSA-201611-11 (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
- 93029 (Third Party Advisory, VDB Entry, vdb-entry, x_refsource_BID)
- RHSA-2017:2392 (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- openSUSE-SU-2016:3237 (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
- secalert@redhat.com (x_refsource_CONFIRM)
- [qemu-devel] 20160913 [PATCH v2] usb:xhci:fix memory leak in usb_xhci_exit (mailing-list, x_refsource_MLIST, Patch, Third Party Advisory)
- RHSA-2017:2408 (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2016-7466?
- CVE-2016-7466 is a medium-severity vulnerability in Qemu, classified under Missing Release of Resource after Effective Lifetime. CVSS score: 6.0/10. Published 2016-12-10.
- How severe is CVE-2016-7466?
- Medium severity. CVSS v3 base score is 6.0 out of 10.