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1.9
CVSSv2

CVE-2016-7466

Published: 10/12/2016 Updated: 12/02/2023
CVSS v2 Base Score: 1.9 | Impact Score: 2.9 | Exploitability Score: 3.4
CVSS v3 Base Score: 6 | Impact Score: 4 | Exploitability Score: 1.5
VMScore: 169
Vector: AV:L/AC:M/Au:N/C:N/I:N/A:P
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Vulnerability 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.

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Vendor Advisories

Debian CVElist Bug Report Logs: qemu: CVE-2016-7466: memory leakage during device unplug
Debian Bug report logs - #838687 qemu: CVE-2016-7466: memory leakage during device unplug Package: src:qemu; Maintainer for src:qemu is Debian QEMU Team <pkg-qemu-devel@listsaliothdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Fri, 23 Sep 2016 16:21:05 UTC Severity: important Tags: patch, ...
Ubuntu Security Notice: qemu, qemu-kvm vulnerabilities
Several security issues were fixed in QEMU ...

References

CWE-772https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg02773.htmlhttp://www.securityfocus.com/bid/93029http://www.openwall.com/lists/oss-security/2016/09/20/3http://www.openwall.com/lists/oss-security/2016/09/19/8http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.htmlhttps://security.gentoo.org/glsa/201611-11https://access.redhat.com/errata/RHSA-2017:2408https://access.redhat.com/errata/RHSA-2017:2392http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=b53dd4495ced2432a0b652ea895e651d07336f7ehttps://bugs.debian.org/cgi-bin/bugreport.cgi?bug=838687https://usn.ubuntu.com/3125-1/https://nvd.nist.gov
CVSSv2
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2024-3400CVE-2023-7252CVE-2024-21111denial of serviceCVE-2024-29661CVE-2024-22856remote attackersencryptionCVE-2023-38299
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