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 by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.1 | 6.0 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H |
| NVD | 2.0 | 1.9 | AV: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
- CVE List: CVE-2016-7466
- NVD: CVE-2016-7466
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